2-{5-ethylthieno[2,3-b]thiophen-3-yl}acetic acid CAS 85504-39-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 85504-39-8 |
| Molecular Formula | C10H10O2S2 |
| Molecular Weight | 226.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
2-{5-ethylthieno[2,3-b]thiophen-3-yl}acetic acid (CAS 85504-39-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H10O2S2. Molecular weight: 226.32 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H10O2S2 |
| Molecular Weight | 226.32 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1981 |
| Sulfur Atoms | 2 |
Related ethylthieno Standards
- 2-({6-ethylthieno[2,3-d]pyrimidin-4-yl}amino)acetic acid (CAS 313534-29-1)
- 2-((6-Ethylthieno[2,3-d]pyrimidin-4-yl)thio)acetic acid (CAS 314034-15-6)
- 6-Ethylthieno[2,3-d]pyrimidine-4(3H)-thione (CAS 440092-62-6)
- 3-Ethylthieno[3,2-d]pyrimidine-2,4(1H,3H)-dione (CAS 1239758-47-4)
- 3-({6-ethylthieno[2,3-d]pyrimidin-4-yl}amino)propanoic acid (CAS 690702-08-0)
- 4-((6-Ethylthieno[2,3-d]pyrimidin-4-yl)amino)butanoic acid (CAS 313534-30-4)
- 6-Ethylthieno[2,3-d]pyrimidin-4-amine (CAS 879873-49-1)
- 1-(6-Ethylthieno[2,3-d]pyrimidin-4-yl)piperidine-4-carboxylic acid (CAS 842971-64-6)
Recommended Standards
- 2,4-Dimethyl-N-(2-(pyridin-2-yl)ethyl)aniline (CAS 86198-71-2)
- 2-Boc-2,7-diazaspiro[3.5]nonane (CAS 236406-55-6)
- 2-(Propan-2-ylsulfanyl)thieno[3,2-d]pyrimidin-4-ol (CAS 339105-63-4)
- 6-(4-Chloro-3-methylphenyl)-8-methyl-4-oxo-1,4-dihydrocinnoline-3-carboxylic acid (CAS 36991-84-1)
- Benzyl 6-methyl-4-phenyl-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 608492-38-2)
- 7-Bromo-6-methyl-1H-pyrido[2,3-b][1,4]oxazin-2(3H)-one (CAS 1456525-53-3)
- Methyl 5-bromo-2-hydroxybenzo[d]oxazole-7-carboxylate (CAS 1221792-66-0)
- 3-Chloro-2,8-dimethylquinolin-4(1H)-one (CAS 949507-80-6)
- 5-Hydroxyisoxazol-3(2H)-one (CAS 675198-91-1)
- Semaglutide impurity 47 (CAS CATO-C4X-222647)
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