Cholesterol M (-H2O)
- Formula: C27H44
- Molecular weight: 368.6383
- IUPAC Standard InChI: InChI=1S/C27H44/c1-19(2)9-8-10-20(3)23-14-15-24-22-13-12-21-11-6-7-17-26(21,4)25(22)16-18-27(23,24)5/h6,11-12,19-20,22-25H,7-10,13-18H2,1-5H3/t20?,22?,23-,24?,25?,26+,27-/m0/s1
- IUPAC Standard InChIKey: RLHIRZFWJBOHHD-WPRMTMGUSA-N
- Chemical structure:
This structure is also available as a 2d Mol file - Stereoisomers:
- Other names: Cholesterol - H2O; 3,5-Cholestadiene
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Kovats' RI, non-polar column, temperature ramp
Go To: Top, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
| Column type | Packed | Capillary |
|---|---|---|
| Active phase | SE-30 | Cross-Linked Methylsilicone |
| Column length (m) | 12. | |
| Carrier gas | N2 | He |
| Substrate | ||
| Column diameter (mm) | 0.2 | |
| Phase thickness (μm) | 0.33 | |
| Tstart (C) | 100. | 100. |
| Tend (C) | 310. | 310. |
| Heat rate (K/min) | 30. | 30. |
| Initial hold (min) | 3. | 3. |
| Final hold (min) | 5. | 5. |
| I | 3030. | 3030. |
| Reference | Maurer, 1990 | Maurer and Pfleger, 1987 |
| Comment | MSDC-RI | MSDC-RI |
References
Go To: Top, Kovats' RI, non-polar column, temperature ramp, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Maurer, 1990
Maurer, H.H.,
Identification and differentiation of barbiturates, other sedative-hypnotics and their metabolites in urine integrated in a general screening procedure using computerized gas chromatography-mass spectrometry,
J. Chromatogr., 1990, 530, 307-326, https://doi.org/10.1016/S0378-4347(00)82334-8
. [all data]
Maurer and Pfleger, 1987
Maurer, H.; Pfleger, K.,
Identification and differentiation of benzodiazepines and their metabolites in urine by computerized gas chromatography-mass spectrometry,
J. Chromatogr., 1987, 422, 85-101, https://doi.org/10.1016/0378-4347(87)80442-5
. [all data]
Notes
Go To: Top, Kovats' RI, non-polar column, temperature ramp, References
- Symbols used in this document:
Tend Final temperature Tstart Initial temperature - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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