5α-ANDROSTAN-3β-OL-16-ONE CAS 571-51-7
| CAS No. | 571-51-7 |
| Molecular Formula | C19H30O2 |
| Molecular Weight | 290.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 290.44 g/mol gives 5α-ANDROSTAN-3β-OL-16-ONE distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 5α-ANDROSTAN-3β-OL-16-ONE (CAS 571-51-7), a certified reference material (molecular formula C19H30O2, MW 290.44 g/mol) for analytical method development and quality control.
Owing to a steroid core, a hydroxyl group, an ether linkage, 5α-ANDROSTAN-3β-OL-16-ONE is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 290.44 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5α-ANDROSTAN-3β-OL-16-ONE under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C19H30O2 |
| Molecular Weight | 290.44 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related ANDROSTAN Standards
- 5a-ANDROSTAN-16a-OL-17-ONE (CAS 25846-17-7)
- 5β-androstan-3β-ol-17-one (CAS 571-31-3)
- 5Alpha-Androstan-17Beta-Ol-3-One (CAS 521-18-6)
- 17α-Methyl-5α-androstan-17β-ol (CAS 1229-04-5)
- 5α-Androstan-3α-ol-17-one-16,16-d (CAS 89685-22-3)
- 5α-Androstan-3β-ol-17-one-16,16-d (CAS 79037-35-7)
- 5α-ANDROSTAN-3, 16-DIONE (CAS 1035-71-8)
- 5α-ANDROSTAN-3β, 16α-DIOL (CAS 22630-49-5)
Recommended Standards
- 5-ANDROSTEN-3β, 16α-DIOL-17-ONE (CAS 3642-89-5)
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- 2,4-Difluorophenyl (2E)-3-(6-bromo-2H-1,3-benzodioxol-5-yl)prop-2-enoate (CAS 478259-08-4)
- 3-(pyrrolidin-3-yl)-1,3-oxazolidin-2-one (CAS 1247189-10-1)
- 4-Ethoxy-3-(piperidin-1-ylmethyl)benzaldehyde (CAS 436088-47-0)
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- n-(Sec-butyl)-1-methyl-1h-pyrazol-4-amine (CAS 1153751-51-9)
- Semaglutide impurity 23 (CAS CATO-C4X-222623)
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