Caffeine C8H10N4O2 structure – Flashcards
Flashcard maker : Jennifer Hawkins
Contents
Molecular Formula | C8H10N4O2 |
Average mass | 194.191 Da |
Density | 1.5±0.1 g/cm3 |
Boiling Point | 416.8±37.0 °C at 760 mmHg |
Flash Point | 205.9±26.5 °C |
Molar Refractivity | 50.4±0.5 cm3 |
Polarizability | 20.0±0.5 10-24cm3 |
Surface Tension | 55.8±7.0 dyne/cm |
Molar Volume | 133.4±7.0 cm3 |
- Experimental data
- Predicted – ACD/Labs
- Predicted – EPISuite
- Predicted – ChemAxon
- Predicted – Mcule
- Experimental Physico-chemical Properties
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Experimental Melting Point:
234-236 °C Alfa Aesar 237 °C Oxford University Chemical Safety Data (No longer updated) More details 238 °C LKT Labs
[C0221]237 °C Jean-Claude Bradley Open Melting Point Dataset 14937 238 °C Jean-Claude Bradley Open Melting Point Dataset 17008, 17229, 22105, 27892, 27893, 27894, 27895 235.25 °C Jean-Claude Bradley Open Melting Point Dataset 27892, 27893, 27894, 27895 236 °C Jean-Claude Bradley Open Melting Point Dataset 27892, 27893, 27894, 27895 235 °C Jean-Claude Bradley Open Melting Point Dataset 6603 234-236 °C Alfa Aesar A10431, 39214 235-238 °C LabNetwork LN00243586 236 °C FooDB FDB002100 188-189 °C FooDB FDB017732 -
Experimental Boiling Point:
178 °C (Sublimes) Alfa Aesar 178 °C (Sublimes) Alfa Aesar 39214 -
Experimental Gravity:
1.23 g/mL Alfa Aesar A10431, 39214 -
Experimental Solubility:
-0.97 Egon Willighagen http://dx.doi.org/10.1021/ci050282s Soluble in ethyl acetate or pyrrole. Slightly soluble in water, solubility is increased by adding dilute acid. Slightly soluble in ethanol. LKT Labs
[C0221]Soluble in pyrrole, THF-H2O mixture, ethyl acetate Alfa Aesar A10431 Soluble to 10 mM in water with sonication, to 100 mM in 1eq. NaOH, and to 50 mM in DMSO Tocris Bioscience 2793 Soluble to 100 mM in water and to 50 mM in DMSO Tocris Bioscience 2793
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- Predicted Physico-chemical Properties
-
Predicted Melting Point:
238 °C TCI 238 °C TCI C2042
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- Miscellaneous
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Appearance:
odourless white powder or crystals Oxford University Chemical Safety Data (No longer updated) More details -
Stability:
Stable. Incompatible with strong acids, strong bases, strongoxidizing agents, iodine, silver salts, tannins. Weakly light sensitive in solution. Oxford University Chemical Safety Data (No longer updated) More details -
Toxicity:
ORL-RAT LD50 192 mg kg-1, IPR-RAT LD50 260 mg kg-1, IVN-RAT LD50 105 mg kg-1, SCU-RAT LD50 170 mg kg-1 Oxford University Chemical Safety Data (No longer updated) More details -
Safety:
2 Alfa Aesar 39214, A10431 22 Alfa Aesar 39214, A10431 22-25 LKT Labs
[C0221]6.1 Alfa Aesar 39214, A10431 DANGER: POISON, irritates skin, eyes, lungs Alfa Aesar 39214, A10431 H302 Alfa Aesar 39214, A10431 H302 H301 LKT Labs
[C0221]P264-P270-P301+P312-P330-P501a Alfa Aesar 39214, A10431 Safety glasses. Oxford University Chemical Safety Data (No longer updated) More details Warning Alfa Aesar 39214, A10431 WARNING: Causes CNS effects, skin and eye irritation Alfa Aesar 39214 Xn, T LKT Labs
[C0221] -
Chemical Class:
alkaloid Microsource
[01500155] -
Compound Source:
Cofea, Theobroma, Camelia and Cola spp Microsource
[01500155]Component of coffee beans ( Coffea arabica ), many other Coffea spp., chocolate ( Theobroma cacao ), tea ( Camellia thea ), kolanut ( Cola acuminata ) and several other Cola Zerenex Molecular
[ZBioX-0453] -
Bio Activity:
7-TM Receptors Tocris Bioscience 2793 A1 and A2B antagonist. CNS stimulant Tocris Bioscience 2793 Adenosine Receptors Tocris Bioscience 2793 Analeptic; Zerenex Molecular
[ZBioX-0453]Central nervous system stimulant. Antagonist at A1 and A2A adenosine receptors and inhibitor of cyclic nucleotide phosphodiesterases. Mobilizes calcium from intracellular stores and inhibits benzodiaz
epine binding to GABA receptors. Tocris Bioscience 2793Central nervous system stimulant. Antagonist at A1 and A2A adenosine receptors and inhibitor of cyclic nucleotide phosphodiesterases. Mobilizes calcium from intracellular stores and inhibits benzodiazepine binding to GABA receptors. Tocris Bioscience 2793 Non-selective Adenosine Tocris Bioscience 2793
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- Gas Chromatography
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Retention Index (Kovats):
1795 (estimated with error: 83) NIST Spectra mainlib_290714, replib_378377, replib_228814, replib_250547, replib_312821, replib_335205 1820 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.2 mm; Column length: 12 m; Column type: Capillary; Heat rate: 30 K/min; Start T: 100 C; End T: 310 C; End time: 8 min; Start time: 3 min; CAS no: 58082; Active phase: HP-1; Carrier gas: He; Phase thickness: 0.33 um; Data type: Kovats RI; Authors: Bickeboeller-Friedrich, J.; Maurer, H.H., Screening for detection of new antidepressants, neuroleptics, hypnotics, and their metabolites in urine by GC-MS developed using rat liver microsomes, Ther. Drug Monit., 23(1), 2001, 61-70.) NIST Spectra nist ri 1797 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.22 mm; Column length: 25 m; Column type: Capillary; Start T: 200 C; CAS no: 58082; Active phase: BP-1; Carrier gas: N2; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Japp, M.; Gill, R.; Osselton, M.D., Comparison of drug retention indices determined on packed, wide bore capillary and narrow bore capillary columns, J. Forensic Sci., 32(6), 1987, 1574-1586.) NIST Spectra nist ri 1803 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.53 mm; Column length: 25 m; Column type: Capillary; Start T: 200 C; CAS no: 58082; Active phase: BP-1; Carrier gas: N2; Phase thickness: 1 um; Data type: Kovats RI; Authors: Japp, M.; Gill, R.; Osselton, M.D., Comparison of drug retention indices determined on packed, wide bore capillary and narrow bore capillary columns, J. Forensic Sci., 32(6), 1987, 1574-1586.) NIST Spectra nist ri 1809 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 2 m; Column type: Packed; Start T: 180 C; CAS no: 58082; Active phase: SE-30; Carrier gas: N2; Substrate: 1% se-30 on Anachrom ABS(80-100mesh); Data type: Kovats RI; Authors: Musumarra, G.; Scarlata, G.; Romano, G.; Cappello, G.; Clementi, S.; Giulietti, G., Qualitative organic analysis. Part 2. Identification of drugs by principal components analysis of standardized TLC data in four eluent systems and of retention indices on SE 30, J. Anal. Toxicol., 11, 1987, 154-163.) NIST Spectra nist ri 1824 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 1 m; Column type: Packed; Start T: 210 C; CAS no: 58082; Active phase: SE-30; Carrier gas: N2; Substrate: Inerton N AW (1), NaCl (2), and steel powder (3); Data type: Kovats RI; Authors: Lenchik, N.V.; Rudenko, B.A.; Dzhabarov, D.N., Gas chromatographic analysis of nitrogen-containing pharmaceticals using a thermoaerosol detector and non-porous sorbents, Zh. Anal. Khim., , 1986, 1438-1443.) NIST Spectra nist ri 1832 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 1 m; Column type: Packed; Start T: 210 C; CAS no: 58082; Active phase: SE-30; Carrier gas: N2; Substrate: Inerton N AW (1), NaCl (2), and steel powder (3); Data type: Kovats RI; Authors: Lenchik, N.V.; Rudenko, B.A.; Dzhabarov, D.N., Gas chromatographic analysis of nitrogen-containing pharmaceticals using a thermoaerosol detector and non-porous sorbents, Zh. Anal. Khim., , 1986, 1438-1443.) NIST Spectra nist ri 1840 (Program type: Isothermal; Col… (show more) umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 15 m; Column type: Capillary; Start T: 220 C; CAS no: 58082; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.2 um; Data type: Kovats RI; Authors: Phillips, A.M.; Logan, B.K.; Stafford, D.T., Further applications for capillary gas chromatography in routine quantitative toxicological analyses, J. Hi. Res. Chromatogr., 13, 1990, 754-758., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.20 mm; Column length: 25 m; Column type: Capillary; Start T: 250 C; CAS no: 58082; Active phase: SPB-1; Carrier gas: He; Data type: Kovats RI; Authors: Lora-Tamayo, C.; Rams, M.A.; Chacon, J.M.R., Gas Chromatographic Data for 187 Nitrogen- or Phosphorus-Containing Drugs and Metabolites of Toxicological Interest Analysed on Methyl Silicone Capillary Columns, J. Chromatogr., 374, 1986, 73-85.) NIST Spectra nist ri 1780 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.49 mm; Column length: 25 m; Column type: Capillary; Heat rate: 8 K/min; Start T: 100 C; End T: 275 C; End time: 15 min; Start time: 2 min; CAS no: 58082; Active phase: SE-30; Phase thickness: 1.14 um; Data type: Kovats RI; Authors: Schepers, P.; Wijsbeek, J.; Franke, J.P.; de Zeeuw, R.A., Applicability of capillary gas chromatography to substance identification in toxicology by means of retention indices, J. Forensic Sci., 27(1), 1982, 49-60.) NIST Spectra nist ri 1796 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 6 ft; Column type: Packed; Start T: 190 C; CAS no: 58082; Active phase: OV-101; Carrier gas: N2; Substrate: Chromosorb W; Data type: Kovats RI; Authors: Moller, M.R., Comparability of retention indices of polar substances at elevated temperatures, Chromatographia, 9(7), 1976, 311-314., Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.22 mm; Column length: 12 m; Column type: Capillary; Heat rate: 8 K/min; Start T: 120 C; End T: 300 C; End time: 12 min; Start time: 2 min; CAS no: 58082; Active phase: SE-30; Carrier gas: He; Phase thickness: 0.45 um; Data type: Kovats RI; Authors: Schepers, P.; Wijsbeek, J.; Franke, J.P.; de Zeeuw, R.A., Applicability of capillary gas chromatography to substance identification in toxicology by means of retention indices, J. Forensic Sci., 27(1), 1982, 49-60.) NIST Spectra nist ri 1800 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 2 m; Column type: Packed; CAS no: 58082; Active phase: OV-1; Carrier gas: N2; Substrate: Chromosorb G, AW-DMCS; Data type: Kovats RI; Authors: Berninger, H.; Grunnagel, R.; Mall, S.; Moller, M.R., Gas chromatographic identification of unknown substances from body fluids by menas of retention indices, Beitr. Gerichtl. Med., 33, 1975, 185-191., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 6 ft; Column type: Packed; CAS no: 58082; Active phase: OV-1; Carrier gas: N2; Substrate: Chromosorb G, AW-DMCS; Data type: Kovats RI; Authors: Berninger, H.; Grunnagel, R.; Mall, S.; Moller, M.R., Gas chromatographic identification of unknown substances from body fluids by menas of retention indices, Beitr. Gerichtl. Med., 33, 1975, 185-191., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 6 ft; Column type: Packed; Start T: 200 C; CAS no: 58082; Active phase: OV-101; Carrier gas: N2; Substrate: Chromosorb G AW DMCS (80-100 mesh); Data type: Kovats RI; Authors: Moller, M.R., Comparability of retention indices of polar substances at elevated temperatures, Chromatographia, 9(7), 1976, 311-314., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column type: Packed; Start T: 200 C; CAS no: 58082; Active phase: OV-1; Data type: Kovats RI; Authors: Berninger, H.; Moller, M.R., Retentionsindices zur gaschromatographischen Identifizierung von Arzneimitteln, Arch. Toxicol., 37, 1977, 295-305., Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.28 mm; Column length: 70 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 80 C; End T: 200 C; CAS no: 58082; Active phase: OV-101; Carrier gas: N2; Data type: Kovats RI; Authors: Yamaguchi, K.; Shibamoto, T., Volatile constituents of green tea, Gyokuro (Camellia sinensis L. var Yabukita), J. Agric. Food Chem., 29, 1981, 366-370.) NIST Spectra nist ri 1802 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.28 mm; Column length: 70 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 80 C; End T: 200 C; CAS no: 58082; Active phase: OV-101; Carrier gas: N2; Data type: Kovats RI; Authors: Yamaguchi, K.; Shibamoto, T., Volatile constituents of green tea, Gyokuro (Camellia sinensis L. var Yabukita), J. Agric. Food Chem., 29, 1981, 366-370.) NIST Spectra nist ri 1818 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column type: Packed; Start T: 250 C; CAS no: 58082; Active phase: OV-1; Carrier gas: N2; Substrate: Chromosorb G; Data type: Kovats RI; Authors: Machata, G.; Vycudilik, W., Gas chromatographic analysis of illicit heroin samples, J. Anal. Toxicol., 4(6), 1980, 318-321.) NIST Spectra nist ri 1830 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 6 ft; Column type: Packed; CAS no: 58082; Active phase: OV-101; Carrier gas: N2; Substrate: Chromosorb W; Data type: Kovats RI; Authors: McLinden, V.J.; Stenhouse, A.M., A chromatography system for drug identification, Forensic Sci. Int., 13, 1979, 71-79.) NIST Spectra nist ri 1789 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 2 m; Column type: Packed; Start T: 180 C; CAS no: 58082; Active phase: OV-1; Substrate: Chromosorb G; Data type: Kovats RI; Authors: Dubsky, H.; Hana, K.; Komarkova, M.; Rittich, B., Pouziti kovatsovych indexu pri toxikologickych analysach, Chem. Listy, 72, 1978, 980-984.) NIST Spectra nist ri 1806 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 2 m; Column type: Packed; Start T: 200 C; CAS no: 58082; Active phase: OV-1; Substrate: Chromosorb G; Data type: Kovats RI; Authors: Dubsky, H.; Hana, K.; Komarkova, M.; Rittich, B., Pouziti kovatsovych indexu pri toxikologickych analysach, Chem. Listy, 72, 1978, 980-984.) NIST Spectra nist ri 1805 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 6 ft; Column type: Packed; Start T: 200 C; CAS no: 58082; Active phase: OV-101; Carrier gas: N2; Substrate: Chromosorb G AW DMCS (80-100 mesh); Data type: Kovats RI; Authors: Moller, M.R., Comparability of retention indices of polar substances at elevated temperatures, Chromatographia, 9(7), 1976, 311-314.) NIST Spectra nist ri 1810 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 2 m; Column type: Packed; CAS no: 58082; Active phase: SE-30; Data type: Kovats RI; Authors: Moffat, A.C.; Stead, A.H.; Smalldon, K.W., Optimum use of paper, thin-layer and gas-liquid chromatography for the identification of basic drugs. III. Gas-liquid chromatography, J. Chromatogr., 90, 1974, 19-33., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 6 ft; Column type: Packed; Start T: 200 C; CAS no: 58082; Active phase: OV-101; Carrier gas: N2; Substrate: Chromosorb G AW DMCS (80-100 mesh); Data type: Kovats RI; Authors: Moller, M.R., Comparability of retention indices of polar substances at elevated temperatures, Chromatographia, 9(7), 1976, 311-314.) NIST Spectra nist ri 1833 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 6 ft; Column type: Packed; Start T: 230 C; CAS no: 58082; Active phase: OV-101; Carrier gas: N2; Substrate: Chromosorb W; Data type: Kovats RI; Authors: Moller, M.R., Comparability of retention indices of polar substances at elevated temperatures, Chromatographia, 9(7), 1976, 311-314.) NIST Spectra nist ri 3002 (Program type: Isothermal; Col… (show more) umn class: Standard polar; Column type: Packed; Start T: 220 C; CAS no: 58082; Active phase: PEG-20M; Substrate: Chromosorb W; Data type: Kovats RI; Authors: Donike, M.; Stratmann, D., Gas-chromatographische identifizierung von stimulantien der phenylathylaminreihe mit hilfe der retnetions-indices, Z. Anal. Chem., 279(2), 1976, 129-131.) NIST Spectra nist ri -
Retention Index (Lee):
306.6 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.2 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 50 C; End T: 300 C; End time: 5 min; Start time: 2 min; CAS no: 58082; Active phase: DB-1; Phase thickness: 0.25 um; Data type: Lee RI; Authors: Johnson, C.I.; Urso, A.; Geleta, L., Broad spectrum analysis of municipal and industrial effluents discharged into the Peace, Athabasca and Slave river basins: characterization of effluent samples, 1994 – Volume 1 of 2, Northern River Basins Study Project Report No. 121, Norther River Basins Study, Edmonton, Alberta, 1997, 27.) NIST Spectra nist ri -
Retention Index (Normal Alkane):
1810 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 6 ft; Column type: Packed; Start T: 200 C; CAS no: 58082; Active phase: OV-101; Carrier gas: N2; Substrate: Chromosorb G AW DMCS (80-100 mesh); Data type: Normal alkane RI; Authors: Moller, M.R., Comparability of retention indices of polar substances at elevated temperatures, Chromatographia, 9(7), 1976, 311-314., Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.22 mm; Column length: 12 m; Column type: Capillary; CAS no: 58082; Active phase: BP-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Stowell, A.; Wilson, L., Use of retention indices in drug screening by capillary gas chromatography, Rep. # CD 2362, Department of Scientific and Industrial Reseach, Chemistry Division, Lower Hutt, NZ, 1985, 32., Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.53 mm; Column length: 10 m; Column type: Capillary; CAS no: 58082; Active phase: CP Sil 5 CB; Phase thickness: 5.2 um; Data type: Normal alkane RI; Authors: Bogusz, M.; Bialka, J.; Gierz, J.; Klys, M., Use of short, wide-bore capillary columns in GC toxicological screening, J. Anal. Toxicol., 10(4), 1986, 135-138., Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column length: 2 m; Column type: Packed; Start T: 100 C; End T: 300 C; CAS no: 58082; Active phase: Polydimethyl siloxane; Carrier gas: Nitrogen; Data type: Normal alkane RI; Authors: MHA, Directorate of ForensicScience., Forensic Toxicology, 9999., Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column length: 2 m; Column type: Packed; Start T: 100 C; End T: 300 C; CAS no: 58082; Active phase: SE-30; Carrier gas: Nitrogen; Substrate: Chromosorb G AW DMCS (80-100 mesh); Data type: Normal alkane RI; Authors: MHA, Directorate of ForensicScience., Forensic Toxicology, 9999., Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column type: Other; CAS no: 58082; Active phase: Methyl Silicone; Data type: Normal alkane RI; Authors: Ardrey, R.E.; Moffat, A.C., Gas-liquid chromatographic retention indices of 1318 substances of toxicological interest on SE-30 or OV-1 stationary phase, J. Chromatogr., 220, 1981, 195-252.) NIST Spectra nist ri 1760 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.20 mm; Column length: 12 m; Column type: Capillary; CAS no: 58082; Active phase: Polymethylsiloxane, (PMS-20000); Carrier gas: He; Phase thickness: 0.33 um; Data type: Normal alkane RI; Authors: Gambaro, V.; Saligari, E.; Froldi, R.; Bianchi, L., Analysis of street drugs by means of HRGC, Bollettino Chimico Farmaceutica, 36(4), 1997, 359-367.) NIST Spectra nist ri 1771 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.20 mm; Column length: 12 m; Column type: Capillary; CAS no: 58082; Active phase: Polymethylsiloxane, (PMS-20000); Carrier gas: He; Phase thickness: 0.33 um; Data type: Normal alkane RI; Authors: Gambaro, V.; Saligari, E.; Froldi, R.; Bianchi, L., Analysis of street drugs by means of HRGC, Bollettino Chimico Farmaceutica, 36(4), 1997, 359-367.) NIST Spectra nist ri 1800 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.20 mm; Column length: 12 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 160 C; End T: 300 C; CAS no: 58082; Active phase: Polymethylsiloxane, (PMS-20000); Carrier gas: He; Phase thickness: 0.33 um; Data type: Normal alkane RI; Authors: Gambaro, V.; Saligari, E.; Froldi, R.; Bianchi, L., Analysis of street drugs by means of HRGC, Bollettino Chimico Farmaceutica, 36(4), 1997, 359-367., Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.22 mm; Column length: 12 m; Column type: Capillary; Heat rate: 25 K/min; Start T: 120 C; End T: 270 C; CAS no: 58082; Active phase: BP-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Stowell, A.; Wilson, L., Use of retention indices in drug screening by capillary gas chromatography, Rep. # CD 2362, Department of Scientific and Industrial Reseach, Chemistry Division, Lower Hutt, NZ, 1985, 32.) NIST Spectra nist ri 1768.6 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 15 m; Column type: Capillary; Heat rate: 13 K/min; Start T: 85 C; End T: 250 C; Start time: 0.5 min; CAS no: 58082; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Meatherall, R., Rapid GC-MS confirmation of urinary amphetamine and methamphetamine as their propylchloroformate derivatives, J. Anal. Toxicol., 19, 1995, 316-322.) NIST Spectra nist ri 1808.3 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.75 mm; Column length: 30 m; Column type: Capillary; Heat rate: 8 K/min; Start T: 155 C; End T: 290 C; End time: 10 min; Start time: 4 min; CAS no: 58082; Active phase: SPB-1; Carrier gas: He; Phase thickness: 10 um; Data type: Normal alkane RI; Authors: Coudore, F.; Alazard, J.-M.; Paire, M.; Andraud, G.; Lavarenne, J., Rapid toxicological screening of barbiturates in plasma by wide-bore capillary gas chromatography and nitrogen-phosphorus detection, J. Anal. Toxicol., 17, 1993, 109-113.) NIST Spectra nist ri 1799.2 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.2 mm; Column length: 12.5 m; Column type: Capillary; Heat rate: 25 K/min; Start T: 50 C; End T: 250 C; End time: 5 min; Start time: 2 min; CAS no: 58082; Active phase: Ultra-1; Carrier gas: N2; Phase thickness: 0.33 um; Data type: Normal alkane RI; Authors: Georgakopoulos, C.G.; Kiburis, J.C.; Jurs, P.C., Prediction of Gas Chromatographic Relative Retention Times of Stimulants and Narcotics, Anal. Chem., 63(18), 1991, 2021-2024.) NIST Spectra nist ri 1827.7 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 12 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 40 C; End T: 290 C; Start time: 1 min; CAS no: 58082; Active phase: SE-30; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Neill, G.P.; Davies, N.W.; McLean, S., Automated screening procedure using gas chromatography-mass spectrometry for identification of drugs after their extraction from biological samples, J. Chromatogr., 565, 1991, 207-224.) NIST Spectra nist ri 1786.1 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.26 mm; Column length: 30 m; Column type: Capillary; Heat rate: 8 K/min; Start T: 120 C; End T: 280 C; End time: 22 min; Start time: 1 min; CAS no: 58082; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Manca, D.; Ferron, L.; Weber, J-P., A System for Toxicological Screening by Capillary Gas Chromatography with Use of Drug Retention Index Based on Nitrogen-Containing Reference Compounds, Clin. Chem., 35(4), 1989, 601-607.) NIST Spectra nist ri 1786.9 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.26 mm; Column length: 30 m; Column type: Capillary; Heat rate: 8 K/min; Start T: 120 C; End T: 280 C; End time: 22 min; Start time: 1 min; CAS no: 58082; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Manca, D.; Ferron, L.; Weber, J-P., A System for Toxicological Screening by Capillary Gas Chromatography with Use of Drug Retention Index Based on Nitrogen-Containing Reference Compounds, Clin. Chem., 35(4), 1989, 601-607.) NIST Spectra nist ri 1795.9 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column length: 1.1 m; Column type: Packed; Heat rate: 8.5 K/min; Start T: 50 C; End T: 300 C; CAS no: 58082; Active phase: OV-101; Carrier gas: N2; Substrate: Chromosorb W HP; Data type: Normal alkane RI; Authors: Saxton, W.L., Emergence temperature indices and relative retention times of pesticides and industrial chemicals determined by linear programmed temperature gas chromatography, J. Chromatogr., 393, 1987, 175-194.) NIST Spectra nist ri 1774 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 15 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 130 C; End T: 290 C; End time: 10 min; Start time: 1 min; CAS no: 58082; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Sharp, M.E., A rapid screening procedure for acidic and neutral drugs in blood by high resolution gas chromatography, J. Anal. Toxicol., 11, 1987, 8-11.) NIST Spectra nist ri 1820 (Program type: Complex; Column… (show more) class: Standard non-polar; Column diameter: 0.53 mm; Column length: 10 m; Column type: Capillary; Description: 100 0C (2 min) ^ 20 0C/min -> 180 0C ^ 7.5 0C/min -> 280 0C (6 min); CAS no: 58082; Active phase: CP Sil 5 CB; Phase thickness: 5.2 um; Data type: Normal alkane RI; Authors: Bogusz, M.; Bialka, J.; Gierz, J.; Klys, M., Use of short, wide-bore capillary columns in GC toxicological screening, J. Anal. Toxicol., 10(4), 1986, 135-138.) NIST Spectra nist ri 1764 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.22 mm; Column length: 12 m; Column type: Capillary; Heat rate: 20 K/min; Start T: 50 C; End T: 300 C; CAS no: 58082; Active phase: BP-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Stowell, A.; Wilson, L., Use of retention indices in drug screening by capillary gas chromatography, Rep. # CD 2362, Department of Scientific and Industrial Reseach, Chemistry Division, Lower Hutt, NZ, 1985, 32.) NIST Spectra nist ri 1768 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.22 mm; Column length: 12 m; Column type: Capillary; Heat rate: 8 K/min; Start T: 120 C; End T: 280 C; CAS no: 580 Haven't found what you were looking for?
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