3,21-Bis(acetyloxy)pregna-1,3,5,9(11),16-pentaen-20-one CAS 1058744-83-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1058744-83-4 |
| Molecular Formula | C25H28O5 |
| Molecular Weight | 408.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 3,21-Bis(acetyloxy)pregna-1,3,5,9(11),16-pentaen-20-one (CAS 1058744-83-4) pharmaceutical standards reference standard. Molecular formula: C25H28O5. Molecular weight: 408.49 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C25H28O5 |
| Molecular Weight | 408.49 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
Related Bis Standards
- 1-Acetyl-3-(acetyloxy)-7-chloro-5-(2-chlorophenyl)-1,3-dihydro-2H-1,4-benzodiazepin-2-one (CAS 18878-17-6)
- (3β,17β)-3,17-Bis(acetyloxy)-17-methylandrost-5-en-7-one (CAS 37038-00-9)
- (16alpha)-21-(Acetyloxy)-17-hydroxy-16-methyl-pregna-1,4-diene-3,11,20-trione (CAS 1058-04-4)
- 17- (Acetyloxy) - 3- methoxy- 20- oxo-pregna- 3, 5- diene- 6- carboxaldehyde (CAS 57361-81-6)
- 17-(Acetyloxy)-6-(hydroxymethyl)-pregna-4,6-diene-3,20-dione (CAS 1867-41-0)
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- (6α,9β,11β)-21-(Acetyloxy)-9,11-epoxy-6-fluoro-pregna-1,4,16-triene-3,20-dione (CAS 1817-43-2)
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Recommended Standards
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- 2-Amino-1-(pyridin-4-yl)ethan-1-ol (CAS 92521-18-1)
- Candesartan Cilexetil EP Impurity D (CAS 1185256-03-4)
- 1-Methyl-N-(2-methylpentyl)pyrrolidin-3-amine (CAS 1248949-18-9)
- Endo-Ala35-Tirzepatide (CAS CATO-CPTD788687)
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