2-Oxo-1-(o-tolyl)pyrrolidine-3-carboxylic acid CAS 20841-80-9
| CAS No. | 20841-80-9 |
| Molecular Formula | C12H13NO3 |
| Molecular Weight | 219.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-Oxo-1-(o-tolyl)pyrrolidine-3-carboxylic acid (CAS 20841-80-9), a certified reference material (molecular formula C12H13NO3, MW 219.24 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H13NO3, 2-Oxo-1-(o-tolyl)pyrrolidine-3-carboxylic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 219.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2-Oxo-1-(o-tolyl)pyrrolidine-3-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 | C12H13NO3 |
| Molecular Weight | 219.24 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1962 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 1-(3-Methylphenyl)-2-oxo-3-pyrrolidinecarboxylic acid (CAS 618070-31-8)
- 2-Oxo-4-(p-tolyl)pyrrolidine-3-carboxylic acid (CAS 927802-33-3)
- 2-methyl-5-nitro-1-(propan-2-yl)-1H-1,3-benzodiazole (CAS 92722-00-4)
- 2-Phenyl-1H-benzo[d]imidazole-1-carbonitrile (CAS 55810-22-5)
- 2-(3-Aminobicyclo[1.1.1]pentan-1-yl)acetic acid hydrochloride (CAS 2096992-16-2)
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- (2R-trans)-1-(tert-Butoxycarbonyl)-4-cyanopyrrolidine-2-carboxylic acid (CAS 132622-80-1)
- 6-Amino-1,2,3,4-tetrahydroquinoline-8-carboxylic acid (CAS 123296-93-5)
- 2-(Pyrrolidin-1-yl)-6h,7h-[1,3]thiazolo[4,5-d]pyrimidin-7-one (CAS 99967-86-9)
- tert-Butyl 4-[6-(3-bromophenyl)-3-cyanopyridin-2-yl]-1,4-diazepane-1-carboxylate (CAS 946385-54-2)
- Methyl 4-[4-(4-iodobenzoyl)piperazin-1-yl]-3-nitrobenzoate (CAS 478246-42-3)
- Endo-Pro36-Tirzepatide (CAS CATO-CPTD788688)
Why CATO?
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