5-Oxo-1-(2-(thiophen-2-yl)ethyl)pyrrolidine-3-carboxylic acid CAS 261363-53-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 261363-53-5 |
| Molecular Formula | C11H13NO3S |
| Molecular Weight | 239.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Oxo-1-(2-(thiophen-2-yl)ethyl)pyrrolidine-3-carboxylic acid (CAS 261363-53-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H13NO3S. Molecular weight: 239.29 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H13NO3S |
| Molecular Weight | 239.29 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 5-Fluoro-2-methoxy-4-(4-methylpiperazin-1-yl)aniline (CAS 878155-86-3)
- 6-(Phenylsulfonyl)-2-oxa-6-azaspiro[3.3]heptane (CAS 59453-77-9)
- 5-Amino-4',5'-dihydro-2H,3'H-spiro[benzo[b]thiophene-3,2'-furan] 1,1-dioxide (CAS 2693402-48-9)
- 4-Methyl-3-{1-methyl-3-phenyl-1H-thieno[2,3-c]pyrazol-5-yl}-5-(methylsulfanyl)-4H-1,2,4-triazole (CAS 478067-05-9)
- 1-(Propylcarbamoyl)piperidine-4-carboxylic acid (CAS 923106-41-6)
- 3-Amino-6-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-4-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxamide (CAS 625377-77-7)
- Olanzapine Impurity 69 (CAS 2485860-97-5)
- methyl 5-chloro-2-methyl-7-(trifluoromethyl)thieno[3,2-b]pyridine-3-carboxylate (CAS 648859-70-5)
- 8-Bromo-3,3-dimethyl-3,4-dihydroquinolin-2(1h)-one (CAS 2167942-69-8)
- Semaglutide Impurity 164 (CAS CATO-C4X-2226164)
Why CATO?
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