Ethyl 5-cyano-3,4-dimethylthieno[2,3-b]thiophene-2-carboxylate CAS 175202-57-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 175202-57-0 |
| Molecular Formula | C12H11NO2S2 |
| Molecular Weight | 265.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 5-cyano-3,4-dimethylthieno[2,3-b]thiophene-2-carboxylate (CAS 175202-57-0) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C12H11NO2S2. Molecular weight: 265.35 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C12H11NO2S2 |
| Molecular Weight | 265.35 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2007 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Ethyl Standards
- 4-Cyano-4'-pentyloxybiphenyl (CAS 52364-71-3)
- ethyl 4-cyano-5-{[(1E)-(dimethylamino)methylene]amino}-3-methylthiophene-2-carboxylate (CAS 1087792-54-8)
- 3-Cyano-n-(thiazol-2-yl)benzenesulfonamide (CAS 1017040-33-3)
- 2-Cyano-3-(3-methoxyphenyl)propiophenone (CAS 898774-49-7)
- 2-Cyano-3-(pyridin-3-yl)-N-(p-tolyl)propanamide (CAS 483359-07-5)
- 2-Cyano-3-(pyridin-4-yl)-N-(m-tolyl)propanamide (CAS 483359-11-1)
- 2-Cyano-3-(pyridin-4-yl)-N-(o-tolyl)propanamide (CAS 483359-14-4)
- 2-Cyano-N-(2-methylphenyl)-3-(pyridin-3-yl)propanamide (CAS 483359-13-3)
Recommended Standards
- Methyl 2-(4-(azepan-2-yl)-3,5-dimethyl-1H-pyrazol-1-yl)acetate (CAS 1708268-98-7)
- Tert-butyl 3-(1-methyl-1H-imidazol-5-yl)piperidine-1-carboxylate (CAS 1778733-82-6)
- tert-Butyl 2-(3,5-dimethyl-1H-pyrazol-4-yl)pyrrolidine-1-carboxylate (CAS 1706533-07-4)
- 2-Acetylamino-5-chlorobenzenesulfonic acid pyridium salt (CAS 54981-42-9)
- 2-(propan-2-yl)pyrrolidine (CAS 51503-10-7)
- 5-(Chloromethyl)-1-ethyl-2-methanesulfonyl-1h-imidazole (CAS 1221341-11-2)
- 5,6-Dichloropyridazin-4-ol (CAS 55609-72-8)
- (E)-2-(2-(4-(Dimethylamino)styryl)-6-methyl-4H-pyran-4-ylidene)malononitrile (CAS 96042-30-7)
- Adefovir Impurity 7 (CAS 1215101-40-8)
- 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