2-Oxo-1-(o-tolyl)pyrrolidine-3-carboxylic acid CAS 20841-80-9
Purity 97%+In StockPharmaceutical Standards
| 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
2-Oxo-1-(o-tolyl)pyrrolidine-3-carboxylic acid (CAS 20841-80-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H13NO3. Molecular weight: 219.24 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
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-(3-Aminobicyclo[1.1.1]pentan-1-yl)acetic acid hydrochloride (CAS 2096992-16-2)
- (R)-1-(3,4-difluorophenyl)ethan-1-ol (CAS 126534-41-6)
- N-(2-Fluorophenyl)-2-((3-(4-methoxyphenyl)-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 477331-63-8)
- (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)
- Endo-Pro36-Tirzepatide (CAS CATO-CPTD788688)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com