(3R)-1-methyl-5-oxopyrrolidine-3-carboxylic acid CAS 1928778-67-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1928778-67-9 |
| Molecular Formula | C6H9NO3 |
| Molecular Weight | 143.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(3R)-1-methyl-5-oxopyrrolidine-3-carboxylic acid (CAS 1928778-67-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H9NO3. Molecular weight: 143.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H9NO3 |
| Molecular Weight | 143.14 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.) | 1996 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 2-Oxa-5-azabicyclo[2.2.1]Heptane-4-carboxylic acid (CAS 1860808-48-5)
- (3S)-1-methyl-5-oxopyrrolidine-3-carboxylic acid (CAS 1932008-10-0)
- BGT1-IN-9 (CAS 185444-92-2)
- (2-(Heptadec-2-en-1-yl)-4-methyl-4,5-dihydrooxazol-4-yl)methanol (CAS 1323-47-3)
- 1-(Benzyloxy)-3-(3,5-dimethyl-1h-1,2,4-triazol-1-yl)propan-2-ol (CAS 1410864-50-4)
- 3-(4-bromo-1-oxo-isoindolin-2-yl)piperidine-2,6-dione (CAS 2093387-36-9)
- 2-Amino-5,5,7,7-tetramethyl-4,7-dihydro-5H-thieno[2,3-c]pyran-3-carboxamide (CAS 1654726-92-7)
- 2-Bromo-4-(bromomethyl)-3-(difluoromethyl)-6-fluoropyridine (CAS 1806909-33-0)
- 3-(Difluoromethyl)-4-hydroxy-6-(trifluoromethyl)picolinonitrile (CAS 1807023-64-8)
- Semaglutide impurity 204 (CAS CATO-C4X-2226204)
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