Cyproterone Acetate CAS 427-51-0
Purity >95%In StockPharmaceutical Standards
| CAS No. | 427-51-0 |
| Molecular Formula | C24H29ClO4 |
| Molecular Weight | 416.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Cyproterone Acetate (CAS 427-51-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C24H29ClO4. Molecular weight: 416.94 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C24H29ClO4 |
| Molecular Weight | 416.94 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at room temperature, 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
Related Cyproterone Standards
- Cyproterone Acetate-D3 (CAS 427-51-0 (non-labelled))
- Cyproterone Acetate EP Impurity B (CAS CATO-C4X-16013)
- Cyproterone Acetate EP Impurity I (CAS 13698-49-2)
- Cyproterone Acetate Impurity 2 (CAS 65423-26-9)
- Cyproterone Acetate EP Impurity G (CAS 23814-84-8)
- Cyproterone Acetate EP Impurity D (CAS CATO-C4X-16012)
- Cyproterone Acetate EP Impurity J (CAS 15423-97-9)
- Cyproterone Acetate EP Impurity E (CAS 17184-05-3)
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- 4-Fluoronaphthalene-2-carboxaldehyde (CAS 1261783-61-2)
- (2,6-Dimethoxyphenyl)(pyridin-3-yl)methanone (CAS 52856-17-4)
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- Ozanimod Impurity 14 (CAS CATO-C4X-290214)
- 4-Propyltetrahydro-2H-pyran-4-carboximidamide (CAS 1255147-43-3)
- 7-Azatryptophan, 97% (CAS 7303-50-6)
- Semaglutide impurity 88 (CAS CATO-C4X-222688)
Why CATO?
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