Dydrogesterone Impurity 19 CAS 74496-89-2
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 74496-89-2 |
| Molecular Formula | C25H37BrO4 |
| Molecular Weight | 481.46 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Dydrogesterone Impurity 19 (CAS 74496-89-2) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C25H37BrO4. Molecular weight: 481.46 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C25H37BrO4 |
| Molecular Weight | 481.46 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | Br-containing |
Related Dydrogesterone Standards
- Dydrogesterone Impurity 20 (CAS 74496-90-5)
- Dydrogesterone Impurity 17 (CAS 71379-22-1)
- Dydrogesterone Impurity 11 (CAS CATO-C4X-218311)
- Dydrogesterone Impurity 15 (CAS 32164-74-2)
- Dydrogesterone Impurity 16 (CAS 151478-10-3)
- Dydrogesterone Impurity 5 (CAS 5488-51-7)
- Dydrogesterone Impurity 7 (CAS 19592-55-3)
- Dydrogesterone Impurity 9 (CAS 99958-08-4)
Recommended Standards
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- Methyl[2-(3-phenyl-1,2,4-oxadiazol-5-yl)ethyl]amine (CAS 1306405-48-0)
- 2-(2-Amino-4-(methoxymethyl)-6-oxopyrimidin-1(6H)-yl)-N-(4-fluoro-2-methylphenyl)acetamide (CAS 1251678-21-3)
- 2-(2,5-Dimethylphenyl)-6,8-dimethylquinoline-4-carboxylic acid (CAS 438228-75-2)
- (4-Bromo-2-fluorophenyl)(1,4-diazepan-1-yl)methanone (CAS 1586758-53-3)
- Anti-Inflammatory Peptide 1 (CAS 118850-71-8)
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