(3R,4S)-4-(4-methoxyphenyl)-2-oxopyrrolidine-3-carboxylic acid CAS 1784747-95-0
| CAS No. | 1784747-95-0 |
| Molecular Formula | C12H13NO4 |
| Molecular Weight | 235.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
(3R,4S)-4-(4-methoxyphenyl)-2-oxopyrrolidine-3-carboxylic acid (CAS 1784747-95-0), molecular formula C12H13NO4 and molecular weight 235.24 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (3R,4S)-4-(4-methoxyphenyl)-2-oxopyrrolidine-3-carboxylic acid (C12H13NO4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 235.24 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H13NO4 |
| Molecular Weight | 235.24 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (3R,4S)-4-(2-methoxyphenyl)-2-oxopyrrolidine-3-carboxylic acid (CAS 1784747-92-7)
- Methyl 2,2-dimethyl-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-carboxylate (CAS 179950-70-0)
- (3R,4S)-4-(3-methoxyphenyl)-2-oxopyrrolidine-3-carboxylic acid (CAS 1784747-91-6)
- 1-(3-Nitrophenyl)cyclopentane-1-carboxylic acid (CAS 180080-78-8)
- 1H,1H,2H,2H-Perfluorohexadecan-1-ol (CAS 60699-51-6)
- 6-(Phenoxy(phenyl)methyl)morpholin-3-one (CAS 93886-29-4)
- 8-Chloro-4-hydrazinyl-2-methylquinoline (CAS 203626-36-2)
- tert-Butyl 1-(5-bromo-4-chloropyridin-3-yl)piperidine-4-carboxylate (CAS 2007919-69-7)
- 2-Phenyltetrahydrofuran-2-carboxylic acid (CAS 19679-84-6)
- 4-methyloxazole-5-carboxylic acid (CAS 2510-32-9)
- 3-Ethyl 6-methyl 2-amino-4,7-dihydrothieno[2,3-c]pyridine-3,6(5H)-dicarboxylate (CAS 1251687-35-0)
- N-(4-fluoro-2-methylphenyl)-3-oxo-3-phenylpropanamide (CAS 793679-40-0)
- 2-(3-Chlorophenyl)benzo[d]oxazol-5-amine (CAS 54995-52-7)
- Semaglutide impurity 86 (CAS CATO-C4X-222686)
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