Methyl 3-(cyclopentanecarboxamido)thiophene-2-carboxylate CAS 545341-42-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 545341-42-2 |
| Molecular Formula | C12H15NO3S |
| Molecular Weight | 253.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
Methyl 3-(cyclopentanecarboxamido)thiophene-2-carboxylate (CAS 545341-42-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H15NO3S. Molecular weight: 253.32 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H15NO3S |
| Molecular Weight | 253.32 g/mol |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- Methyl 2-acetamido-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (CAS 92539-89-4)
- N-(1,1-Dioxidotetrahydrothiophen-3-yl)-3-methylbenzamide (CAS 830344-91-7)
- Methyl 2-(cyclopropanecarboxamido)-4,5-dimethylthiophene-3-carboxylate (CAS 352683-46-6)
- 1H-Indole-3-carbonitrile, 2,5-dibromo-1-methyl- (CAS 2121137-58-2)
- 5-Chloromethyl-3-trifluoromethyl-[1,2,4]oxadiazole (CAS 100442-49-7)
- Tert-butyl 7-nitro-1,2,4,5-tetrahydro-3H-benzo[d]azepine-3-carboxylate (CAS 118454-23-2)
- N,N-dimethyl-2-(piperidin-4-yl)ethan-1-amine dihydrochloride (CAS 102308-92-9)
- Posaconazole Impurity 164 (CAS CATO-C4X-1208164)
- N1-cyclopentyl-N1-methylpropane-1,3-diamine (CAS 53485-06-6)
- Bax inhibitor peptide V5 (CAS 579492-81-2)
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