U 18666A CAS 3039-71-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 3039-71-2 |
| Molecular Formula | C25H41NO2 HCl |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity U 18666A (CAS 3039-71-2) pharmaceutical standards reference standard. Molecular formula: C25H41NO2 HCl. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C25H41NO2 HCl |
| Molecular Weight | 424.07 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- (5R)-5-(hydroxymethyl)-1-methylpyrrolidin-2-one (CAS 122663-22-3)
- Ethyl 2-piperidin-1-ylpropanoate (CAS 63909-12-6)
- 2-(5-Aminopyrazin-2-yl)acetonitrile (CAS 710322-48-8)
- Ethyl 5-(2,6-difluorophenyl)-5-oxovalerate (CAS 898753-24-7)
- 1-(4-chlorophenyl)ethane-1-thiol (CAS 113682-50-1)
- N-(o-tolyl)-2-(2-(trifluoromethyl)-1H-benzo[d]imidazol-1-yl)propanamide (CAS 866049-66-3)
- Insulin Degludec Impurity 7 (CAS CATO-C4X-21577)
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