Rifamycin impurity 19 CAS 15271-73-5
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 15271-73-5 |
| Molecular Formula | C39H47NO15 |
| Molecular Weight | 769.79 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Rifamycin impurity 19 (CAS 15271-73-5) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C39H47NO15. Molecular weight: 769.79 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C39H47NO15 |
| Molecular Weight | 769.79 g/mol |
| 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 1 |
Related Rifamycin Standards
Recommended Standards
- Trazodone impurity 56 (CAS CATO-C4X-177256)
- Streptovarycin (CAS 1404-74-6)
- Trazodone impurity 42 (CAS CATO-C4X-177242)
- Nintedanib Impurity 70 (CAS 147149-56-2)
- Fudosteine Impurity 81 (CAS CATO-C4X-144781)
- 4-Ethyl-5-(1-methyl-3-(trifluoromethyl)-1h-pyrazol-5-yl)-4h-1,2,4-triazole-3-thiol (CAS 1001559-40-5)
- 3-(2-Methyloxazol-4-yl)benzo[d]isoxazole-5-carboxylic acid (CAS 1422066-08-7)
- 5-(2-Bromo-5-methoxyphenyl)isoxazol-3-amine (CAS 1491327-92-4)
- N-Butyl-3-methoxy-4-(1H-purin-8-yl)benzenesulfonamide (CAS 89469-21-6)
- Insulin Degludec Impurity 1 (CAS 843666-26-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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