Colchicine fluorescein, 90% CAS 66091-34-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 66091-34-7 |
| Molecular Formula | C41H34N2O10S |
| Molecular Weight | 746.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Colchicine fluorescein, 90% (CAS 66091-34-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C41H34N2O10S. Molecular weight: 746.78 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C41H34N2O10S |
| Molecular Weight | 746.78 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 26.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Colchicine Standards
- Colchicine EP Impurity D (CAS 477-29-2)
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- Colchicine Impurity 13 (CAS CATO-C4X-141113)
- Colchicine-d6 (CAS 1217651-73-4)
- iso-Colchicine-d3 (CAS 1246818-69-8)
- Colchicine-d3 (CAS 1217625-62-1)
- Colchicine Racemic Mixture Impurity (CAS 54192-66-4)
- rac-Colchicine, >98% (CAS 209810-38-8)
Recommended Standards
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- 2-Methoxyphenylboronic Acid Pinacol Ester (CAS 190788-60-4)
- Methyl N-benzyl-N-(but-3-en-1-yl)glycinate (CAS 175227-10-8)
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- 2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[d]thiazole (CAS 1316275-48-5)
- 2-(3,4-Dimethoxyphenyl)-2-(pyrrolidin-1-yl)ethan-1-amine dihydrochloride (CAS 1030020-85-9)
- 5-Bromo-7-methyl-4-azaindole (CAS 1082041-05-1)
- [Glu]17-Semaglutide (CAS CATO-CPTD788604)
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