Ethyl 4-ethoxythiophene-3-carboxylate CAS 70437-99-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 70437-99-9 |
| Molecular Formula | C9H12O3S |
| Molecular Weight | 200.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Ethyl 4-ethoxythiophene-3-carboxylate (CAS 70437-99-9) pharmaceutical standards reference standard. Molecular formula: C9H12O3S. Molecular weight: 200.25 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C9H12O3S |
| Molecular Weight | 200.25 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- 3-Ethoxythiophene-2-carbonyl chloride (CAS 139926-24-2)
- 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)
- 4-ethoxythiophene-3-carboxylic acid (CAS 70438-00-5)
- 3-Ethoxythiophene-2-carboxylic acid (CAS 139926-23-1)
- 4-Ethoxythiophene-2-carboxylic acid (CAS 917980-53-1)
Recommended Standards
- Ethyl 2-methylbenzenesulfonate (CAS 59222-96-7)
- Ethyl 4-fluorobicyclo[2.2.2]Octane-1-carboxylate (CAS 20277-39-8)
- Butyl 1-fluorocyclohex-3-enecarboxylate (CAS 887268-27-1)
- 1-(3-Methylphenyl)-2-propyn-1-ol (CAS 29978-38-9)
- 3-Pyrrolidinylmethyl benzoate hydrochloride (CAS 1220027-52-0)
- 2-Chloro-N-(5-methyl-4-phenyl-thiazol-2-yl)-acetamide (CAS 53968-19-7)
- 2-((5-Bromopyridin-2-yl)amino)cyclohexan-1-ol (CAS 1247187-93-4)
- 5-(Aminomethyl)-1-methylpyrimidine-2,4(1H,3H)-dione hydrochloride (CAS 2034157-29-2)
- (3-bromo-1-benzofuran-2-yl)methanol (CAS 1783960-04-2)
- Met(O)14-Exenatide trifluoroacetate salt (CAS 1678417-38-3)
Why CATO?
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com