2-Demethyl Colchicine CAS 102491-80-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 102491-80-5 |
| Molecular Formula | C21H23NO6 |
| Molecular Weight | 385.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Demethyl Colchicine (CAS 102491-80-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H23NO6. Molecular weight: 385.41 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C21H23NO6 |
| Molecular Weight | 385.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| 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.) | 1986 |
| Nitrogen Atoms | 1 |
Related Demethyl Standards
- 2-Demethyl Colchicine (CAS 7336-36-9)
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- 2-Demethyl Colchicine-d3 (CAS 1217630-52-8)
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Recommended Standards
- (2e)-3-[4-({[(9h-fluoren-9-yl)methoxy]carbonyl}amino)phenyl]prop-2-enoic acid (CAS 1009806-19-2)
- 1-Benzyl 5-methyl (2S)-2-{[(benzyloxy)carbonyl]amino}pentanedioate (CAS 105299-31-8)
- Celecoxib-d4 (CAS 544686-20-6)
- 5-[(2-methoxyphenyl)methyl]-2,3-dihydro-1,3,4-oxadiazole-2-thione (CAS 1094366-38-7)
- 6-Bromo-4-chloropyridin-2-ol (CAS 1807003-69-5)
- 2-Chloro-5-methylthiazole-4-carboxamide (CAS 1379296-94-2)
- 1-(6-Chloropyridin-2-yl)ethanamine hydrochloride (CAS 2177267-22-8)
- 4-(6-Bromo-1,3-benzothiazol-2-yl)-1,2,5-oxadiazol-3-amine (CAS 1536334-84-5)
- 2,3-Difluoro-6-methylpyridine (CAS 1227579-04-5)
- Semaglutide impurity 260 (CAS CATO-C4X-2226260)
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