1-[(4-Chlorophenyl)methyl]-5-oxopyrrolidine-2-carboxylic acid CAS 116404-24-1
| CAS No. | 116404-24-1 |
| Molecular Formula | C12H12ClNO3 |
| Molecular Weight | 253.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C12H12ClNO3, 1-[(4-Chlorophenyl)methyl]-5-oxopyrrolidine-2-carboxylic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 253.68 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
1-[(4-Chlorophenyl)methyl]-5-oxopyrrolidine-2-carboxylic acid (CAS 116404-24-1), molecular formula C12H12ClNO3 and molecular weight 253.68 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.
CATO manufactures 1-[(4-Chlorophenyl)methyl]-5-oxopyrrolidine-2-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H12ClNO3 |
| Molecular Weight | 253.68 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chlorophenyl Standards
- (4-Chlorophenyl)(3,4-difluorophenyl)methanamine (CAS 1016697-79-2)
- Ethyl 3-(4-chlorophenyl)-4,5-dihydroisoxazole-5-carboxylate (CAS 109888-57-5)
- 2-(3-Chlorophenyl)-1-methyl-5-oxopyrrolidine-3-carboxylic acid (CAS 1266978-22-6)
- Methyl 1-(3-chlorophenyl)-5-oxopyrrolidine-3-carboxylate (CAS 133747-67-8)
- methyl 1-(2-chlorophenyl)-5-oxopyrrolidine-3-carboxylate (CAS 133747-70-3)
- 1-(2-(2-Chlorophenyl)acetyl)azetidine-3-carboxylic acid (CAS 1378992-85-8)
- 1-(2-(4-Chlorophenyl)acetyl)azetidine-3-carboxylic acid (CAS 1408485-12-0)
- 1-(3-Chlorophenyl)-5-oxopyrrolidine-3-carbohydrazide (CAS 851431-19-1)
Recommended Standards
- 4-Chloro-2-fluoro-N-(3-fluorobenzyl)aniline (CAS 1152635-39-6)
- 2-(5-Chloro-3,3-dimethyl-2-oxoindolin-1-yl)acetic acid (CAS 1171494-57-7)
- 4-Chloro-2-fluoro-N-(4-fluorobenzyl)aniline (CAS 1152635-08-9)
- tert-Butyl (5-chloro-6-cyanopyridin-3-yl)carbamate (CAS 1186637-78-4)
- 1,3-Dimethyl-1,3,8-triazaspiro[4.5]Decane-2,4-dione hydrochloride (CAS 1206970-39-9)
- 4-Bromobenzonitrile (CAS 623-00-7)
- 3-Cyanobiphenyl (CAS 24973-50-0)
- 5'-(4-Carboxyphenyl)-[1,1':3',1''-terphenyl]-3,4'',5-tricarboxylic acid (CAS 1250980-04-1)
- 4-Bromo-2-fluorophenylboronic Acid Pinacol Ester (CAS 1326316-85-1)
- 4-Bromo-6-isopropyl-1H-indazole (CAS 1000343-77-0)
- N1-(1-(3-Chlorophenyl)ethyl)-N1-isopropylethane-1,2-diamine (CAS 1353982-53-2)
- Ethyl 8-(2-(morpholinomethyl)phenyl)-8-oxooctanoate (CAS 898751-61-6)
- 2,3-Dihydroxybenzonitrile (CAS 67984-81-0)
- Insulin Degludec Impurity 13 (CAS CATO-C4X-215713)
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