5-PREGNEN-3β, 17-DIOL-20-ONE DIACETATE CAS 1176-21-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1176-21-2 |
| Molecular Formula | C25H36O5 |
| Molecular Weight | 416.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-PREGNEN-3β, 17-DIOL-20-ONE DIACETATE (CAS 1176-21-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C25H36O5. Molecular weight: 416.55 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C25H36O5 |
| Molecular Weight | 416.55 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related PREGNEN Standards
- 5-PREGNEN-3β, 21-DIOL-20-ONE DIACETATE (CAS 1693-63-6)
- 5-PREGNEN-3β, 20α-DIOL DIACETATE (CAS 1913-47-9)
- 4-PREGNEN-11β, 21-DIOL-3, 18, 20-TRIONE 21-ACETATE (CAS 297-91-6)
- 4-PREGNEN-11β, 17, 21-TRIOL-3, 20-DIONE 3-O-CARBOXYMETHYLOXIME (CAS 43188-86-9)
- 4-PREGNEN-11β, 21-DIOL-3, 18, 20-TRIONE 18, 21-DIACETATE (CAS 3329-79-1)
- 5-PREGNEN-16, 17-EPOXY-3β, 21-DIOL-20-ONE 21-ACETATE (CAS 28444-97-5)
- 4-PREGNEN-3, 20-DIONE 3-O-CARBOXYMETHYLOXIME-(NH)-CH)10-(NH)-BIOTIN (CAS 50909-89-2)
- 4-PREGNEN-11β, 21-DIOL-3, 20-DIONE 21-HEMISUCCINATE (CAS 10215-77-7)
Recommended Standards
- (3S)-1-Tosyl-Α,Α-Diphenyl-3-Pyrrolidineacetonitrile (CAS 133099-09-9)
- Simvastatin Impurity I (CAS 121624-18-8)
- LQ23 (CAS 2997615-62-8)
- 1-(3-{[(tert-butoxy)carbonyl]amino}propyl)-1h-indole-5-carboxylic acid (CAS 1376288-62-8)
- tert-Butyl (5-iodopentyl)(methyl)carbamate (CAS 2599846-22-5)
- 2,6-Difluoro-3-methoxybenzoyl chloride (CAS 886498-40-4)
- tert-Butyl N-methanesulfonyl-N-[(thiophen-2-yl)methyl]carbamate (CAS 339018-39-2)
- 4-Methyl-2-(1-oxo-2,3-dihydro-1H-isoindol-2-yl)-N-{[3-(trifluoromethyl)phenyl]methyl}pentanamide (CAS 439097-55-9)
- n-(3-Aminocyclobutyl)cyclobutanecarboxamide hydrochloride (CAS 1311317-36-8)
- Insulin Degludec Impurity 17 (CAS CATO-C4X-215717)
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 13829788188 / jacky.chen@cato-chem.com