Colchicine EP Impurity A CAS 7411-12-3
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 7411-12-3 |
| Molecular Formula | C21H23NO6 |
| Molecular Weight | 385.41 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Colchicine EP Impurity A (CAS 7411-12-3) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C21H23NO6. Molecular weight: 385.41 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C21H23NO6 |
| Molecular Weight | 385.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >90% |
| Storage | Store at 2-8°C, 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Nitrogen Atoms | 1 |
Related Colchicine Standards
- Colchicine EP Impurity E (CAS 7336-33-6)
- Colchicine EP Impurity F (CAS 477-27-0)
- Colchicine Impurity 8 (CAS 6877-25-4)
- Colchicine Racemic Mixture Impurity (CAS 54192-66-4)
- rac-Colchicine, >98% (CAS 209810-38-8)
- (R)-Colchicine (CAS 75520-89-7)
- Colchicine EP Impurity B (CAS CATO-C4X-141112)
- Colchicine EP Impurity C (CAS 6901-13-9)
Recommended Standards
- Mivacurium chloride Impurity 40 (CAS CATO-C4X-137540)
- Valaciclovir Impurity 55 (CAS CATO-C4X-124855)
- Valaciclovir Impurity 41 (CAS CATO-C4X-124841)
- Polymyxin Impurity 29 (CAS CATO-C4X-225529)
- Methylprednisolone Acetate EP Impurity A (Mixture of Diastereomers) (CAS 151003-82-6)
- Tetrabenazine Impurity 63 (CAS 39816-38-1 (non-labelled))
- 3,3-Dicyclopropyl-2-methylpropanoic acid (CAS 1502233-45-5)
- 4-Amino-2.6-dichlorophenol hydrochloride (CAS 42486-53-3)
- 2-(Aminomethyl)-4-(difluoromethyl)-3-hydroxy-5-nitropyridine (CAS 1806976-13-5)
- Semaglutide Impurity 151 xTFA (CAS CATO-C4X-2226151)
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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