17b-Hydroxy-17a-methyl-5b-androstan-3-one CAS 3275-58-9
| CAS No. | 3275-58-9 |
| Molecular Formula | C20H32O2 |
| Molecular Weight | 304.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 17b-Hydroxy-17a-methyl-5b-androstan-3-one is closely related to a steroid core, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 17b-Hydroxy-17a-methyl-5b-androstan-3-one (CAS 3275-58-9), a certified reference material (molecular formula C20H32O2, MW 304.47 g/mol) for analytical method development and quality control.
Structurally, 17b-Hydroxy-17a-methyl-5b-androstan-3-one (C20H32O2) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 304.47 g/mol, it falls into the moderately-high-molecular-weight range. 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 17b-Hydroxy-17a-methyl-5b-androstan-3-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 | C20H32O2 |
| Molecular Weight | 304.47 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 b Standards
- 3β-Hydroxy-2α-methyl-5α-androstan-17-one (CAS 21661-26-7)
- 16b-Hydroxy DHEA (CAS 1159-68-8)
- 11β-Hydroxy testosterone (CAS 1816-85-9)
- 2alpha-Hydroxy Testosterone (CAS 4075-14-3)
- 4-Hydroxy-17α-methyl-19-nortestosterone (CAS 2747-16-2)
- 19-Hydroxy Androstendione-19-d2 19-Hydroxyandrost-4-ene-3,17-dione-19,19-d2 71995-64-7 Androst-4-en-19-ol-3,17-dione-d2 Androst-4-ene-3,17-dione-19-ol-d2 NSC 74233-d2 (CAS 71995-64-7)
- N1-(2-Hydroxy-2-methyl-4-(methylthio)butyl)-N2-((tetrahydrofuran-2-yl)methyl)oxalamide (CAS 1396871-19-4)
- trans-Hydroxy Perhexiline-d11(Mixture of Diastereomers) (CAS 1276016-24-0)
Recommended Standards
- 1,2-Bis((2-(pyridin-2-yl)ethyl)thio)ethane (CAS 64691-70-9)
- 17-Methyl-4-androstene-3α,17α-diol (CAS 897950-19-5)
- 1-(4-(Dodecyloxy)phenyl)ethanone (CAS 2175-80-6)
- 18-Nor-17,17-dimethyl-5a-androst-13-en-2,3a-diol (CAS 2174919-79-8)
- 3-Aminocinnoline-4-carboxamide (CAS 87954-01-6)
- 2,3-Dihydro-1,4-ethanoquinoxaline-5-carbaldehyde (CAS 138023-46-8)
- 1-(4-Tert-butylphenyl)propan-1-ol (CAS 127896-25-7)
- Dichloro(1,5-cyclooctadiene)platinum(II) (CAS 12080-32-9)
- 4-(Cyanomethyl)-5-(difluoromethyl)-3-iodopicolinonitrile (CAS 1807085-92-2)
- DL-2-Bromomethamphetamine hydrochloride (CAS 23695-11-6)
- 4-Amino-3,5-dimethylbenzamide (CAS 103796-44-7)
- N-(2-(1H-Indol-3-yl)ethyl)-2-chloroacetamide (CAS 52191-26-1)
- 3-(Boc-amino)furan-2-carboxamide (CAS 655255-07-5)
- Hexapeptide-11 (CAS 100684-36-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com