(S)-4-Oxopyrrolidine-2-carboxylic acid CAS 4347-18-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4347-18-6 |
| Molecular Formula | C5H7NO3 |
| Molecular Weight | 129.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order (S)-4-Oxopyrrolidine-2-carboxylic acid (CAS 4347-18-6) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C5H7NO3. Molecular weight: 129.11 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C5H7NO3 |
| Molecular Weight | 129.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
Related S Standards
- (R)-2-oxopyrrolidine-3-carboxylic acid (CAS 1644251-10-4)
- (S)-2-oxopyrrolidine-3-carboxylic acid (CAS 1926214-65-4)
- (3R)-5-oxopyrrolidine-3-carboxylic acid (CAS 428518-37-0)
- (3S)-5-oxopyrrolidine-3-carboxylic acid (CAS 30948-17-5)
- (R)-4-Oxopyrrolidine-2-carboxylic acid (CAS 911284-93-0)
- 2-Oxopyrrolidine-3-carboxylic acid (CAS 96905-67-8)
- 4-Oxopyrrolidine-2-carboxylic acid (CAS 2002-02-0)
- 5-Oxopyrrolidine-3-carboxylic Acid (CAS 7268-43-1)
Recommended Standards
- (S)-4-Ethyloxazolidine-2,5-dione (CAS 29774-83-2)
- (S)-Methyl 4,5-dihydrooxazole-4-carboxylate (CAS 53229-12-2)
- (S)-3,4-Dimethyloxazolidine-2,5-dione (CAS 58311-53-8)
- Cl-PEG6-acid (CAS 2365309-92-6)
- N-(2-Aminocyclohexyl)acetamide (CAS 128651-92-3)
- (2R)-2-Methyl-butanoic Acid Ethyl Ester (CAS 40917-00-8)
- 2-(((2,3-Dihydrobenzofuran-5-yl)methyl)amino)ethan-1-ol (CAS 1157609-84-1)
- 4-Acetyloxybutyl-Triphenyl-Phosphonium Bromide (CAS 6191-70-4)
- 2-(Aminomethyl)-4-(difluoromethyl)pyridine-5-carboxaldehyde (CAS 1806791-87-6)
- Semaglutide Impurity 190 (CAS CATO-C4X-2226190)
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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