Ethyl 2-(2-cyanoacetamido)-4-ethyl-5-methylthiophene-3-carboxylate CAS 549542-87-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 549542-87-2 |
| Molecular Formula | C13H16N2O3S |
| Molecular Weight | 280.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 2-(2-cyanoacetamido)-4-ethyl-5-methylthiophene-3-carboxylate (CAS 549542-87-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H16N2O3S. Molecular weight: 280.34 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H16N2O3S |
| Molecular Weight | 280.34 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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.) | 1984 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- Ethyl 2-(2-cyanoacetamido)-5-isopropylthiophene-3-carboxylate (CAS 515861-07-1)
- Ethyl 2-(2-cyanoacetamido)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate (CAS 544434-08-4)
- Methyl 2-(2-cyanoacetamido)-6-methyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (CAS 590358-29-5)
- Ethyl 2-(2-cyanoacetamido)-4,5-dimethylthiophene-3-carboxylate (CAS 405924-25-6)
- Ethyl 2-(2-cyanoacetamido)-5-ethylthiophene-3-carboxylate (CAS 667435-99-6)
- Methyl 2-(2-cyanoacetamido)-4-ethyl-5-methylthiophene-3-carboxylate (CAS 514219-83-1)
- Methyl 2-(2-cyanoacetamido)-5-propylthiophene-3-carboxylate (CAS 515861-15-1)
- 2-(2-Cyanoacetamido)-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxamide (CAS 383379-31-5)
Recommended Standards
- Butyl (6-methoxybenzo[d]thiazol-2-yl)carbamate (CAS 433258-98-1)
- 5-Benzylidene-3-phenyl-2-thioxoimidazolidin-4-one (CAS 32832-07-8)
- Ethyl 4-cyano-5-isobutyramido-3-methylthiophene-2-carboxylate (CAS 449177-10-0)
- 1,3-Diethyl 2-(3-methylphenyl)propanedioate (CAS 94112-78-4)
- 3-Chloro-4-(dibromomethyl)-5-hydroxy-2(5H)-furanone (CAS 132059-52-0)
- (S)-2-(1-aminoethyl)aniline (CAS 1213667-13-0)
- 4-(4-Chlorophenoxy)-6-(methoxymethyl)-2-methylpyrimidine (CAS 338747-90-3)
- N-(2-Fluorophenyl)-2-((7-(4-fluorophenyl)-6,7-dihydro-5H-imidazo[2,1-c][1,2,4]triazol-3-yl)thio)acetamide (CAS 921834-00-6)
- 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)quinazoline (CAS 2264017-65-2)
- Insulin Degludec Impurity 27 (CAS CATO-C4X-215727)
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