(4R)-Methyl 4-((3S,10R,13R,17R)-3-acetoxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate CAS 31823-53-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 31823-53-7 |
| Molecular Formula | C27H42O4 |
| Molecular Weight | 430.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(4R)-Methyl 4-((3S,10R,13R,17R)-3-acetoxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate (CAS 31823-53-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C27H42O4. Molecular weight: 430.62 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C27H42O4 |
| Molecular Weight | 430.62 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
Recommended Standards
- (R)-methyl 4-((3R,5R,8S,9S,10R,13R,14S,17R,E)-6-ethylidene-3-hydroxy-10,13-dimethyl-7-oxo-hexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate (CAS 1516887-31-2)
- (R)-Methyl 4-((3R,5R,8S,10S,13R,14S,17R)-3-acetoxy-10,13-dimethyl-2,3,4,5,6,7,8,10,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate (CAS 30365-63-0)
- 27-Carboxy-7-keto Cholesterol (CAS 148988-30-1)
- (2-Methoxy-2-oxoethyl)triphenylphosphonium chloride (CAS 2181-97-7)
- 2,2'-Oxybis(N,N-dioctylacetamide) (CAS 342794-43-8)
- 6-Bromo-1-methyl-1,2,3,4-tetrahydroquinoline (CAS 742100-16-9)
- N-(2,2-dimethylthietan-3-yl)butyramide (CAS 1862654-77-0)
- Methyl 5-methyl-4,5-dihydro-1H-pyrazole-3-carboxylate (CAS 101080-11-9)
- tert-Butyl (R)-6-(((R)-tert-butylsulfinyl)amino)-5,6-dihydrospiro[cyclopenta[b]pyridine-7,4'-piperidine]-1'-carboxylate (CAS 2497763-79-6)
- Semaglutide impurity 274 (CAS CATO-C4X-2226274)
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