1-(tert-Butyl) 2-methyl (2S,4S)-4-((tert-butyldiphenylsilyl)oxy)pyrrolidine-1,2-dicarboxylate CAS 1157902-48-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1157902-48-1 |
| Molecular Formula | C27H37NO5Si |
| Molecular Weight | 483.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
1-(tert-Butyl) 2-methyl (2S,4S)-4-((tert-butyldiphenylsilyl)oxy)pyrrolidine-1,2-dicarboxylate (CAS 1157902-48-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C27H37NO5Si. Molecular weight: 483.67 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C27H37NO5Si |
| Molecular Weight | 483.67 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 1 |
Recommended Standards
- Isothipendyl Impurity 1 (CAS CATO-C4X-35161)
- Benzyl (2R,4S)-4-((tert-butyldimethylsilyl)oxy)-2-(4-(methoxycarbonyl)phenyl)piperidine-1-carboxylate (CAS 2408761-24-8)
- Ethyl 2-(3-amino-5,6,7,8,9,10-hexahydrocycloocta[b]thieno[3,2-e]pyridine-2-carboxamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (CAS 674801-05-9)
- 5-Bromo-2-(2-chlorophenyl)isoindoline-1,3-dione (CAS 82104-72-1)
- Tert-butyl 3-mercapto-2-(mercaptomethyl)propanoate (CAS 1354950-48-3)
- (E)-({6-chloro-2-phenylimidazo[1,2-a]pyridin-3-yl}methylidene)amino thiophene-2-carboxylate (CAS 478257-31-7)
- 1-Cyclopropyl-3,3-difluoro-2-methoxycyclobutene (CAS 760179-33-7)
- 5-(difluoromethyl)-1-phenyl-1H-pyrazole-4-carboxylic acid (CAS 1187935-84-7)
- 2-(4-(2-Amino-3-cyano-5-oxo-5,6,7,8-tetrahydro-4H-chromen-4-yl)phenoxy)-N-(3-nitrophenyl)acetamide (CAS 333778-08-8)
- Peptide Impurity 24 (CAS CATO-CPTD788824)
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