1-(4-Methoxyphenyl)-2-oxopyrrolidine-3-carboxylic acid CAS 108541-25-9
| CAS No. | 108541-25-9 |
| Molecular Formula | C12H13NO4 |
| Molecular Weight | 235.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 1-(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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
1-(4-Methoxyphenyl)-2-oxopyrrolidine-3-carboxylic acid (CAS 108541-25-9), molecular formula C12H13NO4 and molecular weight 235.24 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 1-(4-Methoxyphenyl)-2-oxopyrrolidine-3-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
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.) | 1988 |
| Nitrogen Atoms | 1 |
Related Methoxyphenyl Standards
- 1-(3-Methoxyphenyl)-2-oxopyrrolidine-3-carboxylic acid (CAS 1017473-65-2)
- (2e)-3-{[(4-methoxyphenyl)methyl]carbamoyl}prop-2-enoic acid (CAS 1207172-73-3)
- 3-(3-Methoxyphenyl)-5-methyl-4,5-dihydro-1,2-oxazole-5-carboxylic acid (CAS 1326811-79-3)
- 5-(2-Methoxyphenyl)-2-oxopyrrolidine-3-carboxylic acid (CAS 1512448-18-8)
- 2-(3-(4-Methoxyphenyl)-4,5-dihydroisoxazol-5-yl)acetic acid (CAS 193267-59-3)
- 1-(2-Methoxyphenyl)-2-oxopyrrolidine-3-carboxylic acid (CAS 618070-28-3)
- 1-(2-Methoxyphenyl)-5-oxo-3-pyrrolidinecarboxylic acid (CAS 39629-90-8)
- 1-(3-Methoxyphenyl)-5-oxo-3-pyrrolidinecarboxylic acid (CAS 63674-47-5)
Recommended Standards
- (3-((4-Methoxyphenoxy)methyl)-1,2,4-oxadiazol-5-yl)methanamine (CAS 1082823-93-5)
- (Z)-4-((2-ethoxyphenyl)amino)-4-oxobut-2-enoic acid (CAS 1089327-21-8)
- 2-Cyano-3-(2,5-dimethoxyphenyl)propionic Acid (CAS 1082461-69-5)
- n-(2-Nitrophenyl)pyrrolidine-1-carboxamide (CAS 1090012-11-5)
- 4-Chloro-3-fluoropyridine-2-methanamine (CAS 1260903-03-4)
- (6-Chloropyridazin-3-yl)cyanamide (CAS 83412-75-3)
- 2-(3,4-Dichlorophenyl)benzo[d]thiazol-5-amine (CAS 945533-80-2)
- 5-Chloro-2-hydrazineyl-4-tosylthiazole (CAS 297142-57-5)
- tert-Butyl (3-methylisoxazol-4-yl)carbamate (CAS 1285517-11-4)
- N-(12-(1H-Pyrrol-1-yl)dodecyl)acetamide (CAS 828277-01-6)
- 2-[(5-bromo-2-fluorophenyl)amino]Butanamide (CAS 1340052-60-9)
- (4-phenoxyphenyl)magnesium bromide 21473-02-9 4-Phenoxyphenylmagnesium bromide (CAS 21473-02-9)
- 6-Chloro-N2-(p-tolyl)-1,3,5-triazine-2,4-diamine (CAS 38862-31-6)
- Semaglutide impurity 208 (CAS CATO-C4X-2226208)
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