2-Fluoro-4-methyl-3-oxo-4-aza-5α-androst-1-ene-17β-carboxylic acid CAS 606101-79-5
| CAS No. | 606101-79-5 |
| Molecular Formula | C20H28FNO3 |
| Molecular Weight | 349.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-Fluoro-4-methyl-3-oxo-4-aza-5α-androst-1-ene-17β-carboxylic acid (CAS 606101-79-5) is a high-purity analytical reference standard with the molecular formula C20H28FNO3 and a molecular weight of 349.44 g/mol.
Structurally, 2-Fluoro-4-methyl-3-oxo-4-aza-5α-androst-1-ene-17β-carboxylic acid (C20H28FNO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 349.44 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).
As a certified reference material (CRM), 2-Fluoro-4-methyl-3-oxo-4-aza-5α-androst-1-ene-17β-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C20H28FNO3 |
| Molecular Weight | 349.44 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- Febuxostat Impurity 63 (CAS CATO-C4X-116263)
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- Phenyl 2-methyldecahydroquinoline-4-carboxylate (CAS 63722-81-6)
- 3,3-Dimethylindolin-4-amine (CAS 2383549-39-9)
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- 5-fluoro-2-(isoxazol-5-yl)phenol (CAS 876149-59-6)
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- Semaglutide Impurity 190 (CAS CATO-C4X-2226190)
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