(3S,4R)-Methyl 1-(tert-butyl)-4-(2,4-difluorophenyl)pyrrolidine-3-carboxylate CAS 455957-73-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 455957-73-0 |
| Molecular Formula | C16H21F2NO2 |
| Molecular Weight | 297.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (3S,4R)-Methyl 1-(tert-butyl)-4-(2,4-difluorophenyl)pyrrolidine-3-carboxylate (CAS 455957-73-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H21F2NO2. Molecular weight: 297.34 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H21F2NO2 |
| Molecular Weight | 297.34 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- (2E)-2-Phenyl-N-(1H-1,2,3,4-tetrazol-5-yl)-3-(thiophen-2-yl)prop-2-enamide (CAS 478249-10-4)
- (S)-4,4-difluoro-N-(3-hydroxy-1-phenylpropyl)cyclohexane-1-carboxamide (CAS 376348-77-5)
- Benzo[c][1,2,5]thiadiazol-5-yl(7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)methanone (CAS 1797142-46-1)
- (6-Bromo-4-cyclopropoxypyridin-3-yl)methanamine (CAS 1243469-04-6)
- 1-(3,5-Bis(perfluoropropyl)-1H-pyrazol-1-yl)ethan-1-one (CAS 231630-85-6)
- Sitagliptin Impurity 153 HCl (CAS 910409-20-0（free base）)
- 4-[(3-Chlorophenyl)sulfanyl]-5-methoxy-2-phenylpyrimidine (CAS 477872-58-5)
- 2-[3-cyclopropyl-4-(methoxycarbonyl)-6-methyl-1h-pyrazolo[3,4-b]pyridin-1-yl]acetic acid (CAS 1018141-95-1)
- 1-benzoyl-octahydro-1H-indole-2-carboxylic acid (CAS 120084-07-3)
- Semaglutide impurity 249 (CAS CATO-C4X-2226249)
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