(2S,4S)-1-(tert-Butoxycarbonyl)-4-(4-nitro-phenoxy)-2-pyrrolidinecarboxylic acid CAS 218943-94-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 218943-94-3 |
| Molecular Formula | C16H20N2O7 |
| Molecular Weight | 352.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order (2S,4S)-1-(tert-Butoxycarbonyl)-4-(4-nitro-phenoxy)-2-pyrrolidinecarboxylic acid (CAS 218943-94-3) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C16H20N2O7. Molecular weight: 352.34 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C16H20N2O7 |
| Molecular Weight | 352.34 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 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2019 |
| Nitrogen Atoms | 2 |
Recommended Standards
- (2S)-1-{6-[(1-carboxy-2-methylpropyl)amino]-5-nitropyridin-2-yl}pyrrolidine-2-carboxylic acid (CAS 300374-38-3)
- (3-(4-Fluoro-2-nitrophenoxy)thiophen-2-yl)(morpholino)methanone (CAS 303152-79-6)
- ((2R,3S,4R,5R)-2,3,4,5,6-Pentahydroxyhexanoyl)-L-arginine (CAS 94231-89-7)
- 3,5-Difluoro-4-(3-hydroxyprop-1-yn-1-yl)phenol (CAS 2283382-30-7)
- 2,5-Dibromobenzoyl chloride (CAS 59615-13-3)
- 2-(4-(Trifluoromethyl)phenyl)-1,3,2-dioxaborinane (CAS 416839-38-8)
- 4-(1-Methyl-1H-indazol-3-yl)benzoic acid (CAS 1018788-85-6)
- 2-[5-(Dimethylamino)-1H-1,2,3,4-tetrazol-1-yl]-N-[(1E)-(methoxyimino)methyl]acetamide (CAS 321432-59-1)
- 3-Ethynylpyrrolidin-3-ol (CAS 167406-88-4)
- Semaglutide impurity 72 (CAS CATO-C4X-222672)
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)
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