11,17,21-Trihydroxy-pregn-5-ene-3,20-dione 3,20-Diethylene Ketal CAS 76338-54-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 76338-54-0 |
| Molecular Formula | C25H38O7 |
| Molecular Weight | 450.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 11,17,21-Trihydroxy-pregn-5-ene-3,20-dione 3,20-Diethylene Ketal (CAS 76338-54-0) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C25H38O7. Molecular weight: 450.57 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C25H38O7 |
| Molecular Weight | 450.57 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1978 |
Related Trihydroxy Standards
- 11α,17α,21-Trihydroxy-pregn-5-ene-3,20-dione 3,20-Diethylene Ketal (CAS 102030-55-7)
- (3α,5β,7α,12α,24E)-3,7,12-Trihydroxy-cholest-24-en-26-oic Acid (CAS 85552-38-1)
- 11,17,21-Trihydroxy-pregn-5-ene-3,20-dione-d (CAS 134354-11-3)
- 3,4,5-Trihydroxy-6-((5-hydroxy-3-(4-methoxyphenyl)-4-oxo-4H-chromen-7-yl)oxy)tetrahydro-2H-pyran-2-carboxylic acid (CAS 38482-76-7)
- 3β,7β,15β-trihydroxy-11-oxo-lanosta-8-en-24→20 lactone (CAS 1694587-15-9)
- 3β,7α,12α-Trihydroxy-5β-cholanic Acid Methyl Ester (CAS 28050-54-6)
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- 2,3,8-Trihydroxy-7-(((2S,3R,4S,5R)-3,4,5-trihydroxytetrahydro-2H-pyran-2-yl)oxy)chromeno[5,4,3-cde]chromene-5,10-dione (CAS 139163-18-1)
Recommended Standards
- 6S)-Hydroperoxy Simvastatin (CAS 149949-01-9)
- 2-(Benzylthio)-4-(naphthalen-2-yloxy)benzo[4,5]thieno[3,2-d]pyrimidine (CAS 478030-09-0)
- N-(3-Cyano-6-methanesulfonyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-2,2-diphenylacetamide (CAS 1148027-15-9)
- 2-(O-tolylamino)thiazole-4-carboxylic acid (CAS 165682-76-8)
- N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-(3-phenylallylidene)hydrazine-1-carbothioamide (CAS 249516-40-3)
- 8-Methyl-6-nitroquinoline (CAS 116529-86-3)
- Potassium 2,2-Dimethyl-1,3-dioxolane-4-carboxylate (CAS 83400-91-3)
- Tadalafil Impurity 113 (CAS 68807-89-6)
- 2,3-Dihydro-1H-pyrrolo[2,3-b]pyridine-2-carboxylic acid (CAS 1616337-50-8)
- Semaglutide impurity 59 (CAS CATO-C4X-222659)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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