4-Ethoxythiophene-3-carboxamide CAS 71050-41-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 71050-41-4 |
| Molecular Formula | C7H9NO2S |
| Molecular Weight | 171.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Ethoxythiophene-3-carboxamide (CAS 71050-41-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H9NO2S. Molecular weight: 171.22 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H9NO2S |
| Molecular Weight | 171.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Ethoxythiophene Standards
- 3-Ethoxythiophene-2-carboxylic acid (CAS 139926-23-1)
- 4-Ethoxythiophene-2-carboxylic acid (CAS 917980-53-1)
- 4-ethoxythiophene-3-carboxylic acid (CAS 70438-00-5)
- Methyl 3-Ethoxythiophene-2-carboxylate (CAS 139926-22-0)
- Methyl 4-ethoxythiophene-2-carboxylate (CAS 1707391-85-2)
- 3-Ethoxythiophene-2-carbohydrazide (CAS 175137-40-3)
- Methyl 4-ethoxythiophene-3-carboxylate (CAS 1823338-68-6)
- 3-Ethoxythiophene-2-carbonyl chloride (CAS 139926-24-2)
Recommended Standards
- 4-(Thiazol-2-yl)butanoic acid (CAS 951217-56-4)
- 4-Imino-6-mercapto-1,3-dimethyl-3,4-dihydropyrimidin-2(1H)-one (CAS 28860-32-4)
- 4-(2-Furfuryl)-3-thiosemicarbazide (CAS 96860-19-4)
- Methyl 2-chloro-3,5-difluorobenzoate (CAS 1261846-02-9)
- n1-Cyclohexyl-n3-cyclopropyl-n1-methylpropane-1,3-diamine (CAS 1183269-21-7)
- (R)-2-((benzyloxy)methyl)morpholine (CAS 135065-70-2)
- Methyl 5-chloro-2-hydroxy-3-iodobenzoate (CAS 4068-68-2)
- 2-(Nicotinoyloxy)benzoic acid (CAS 6629-79-4)
- 6-chloro-5-nitropyrimidin-4-amine (CAS 4316-94-3)
- DAPK Substrate Peptide (CAS 386769-53-5)
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