2-{5-ethylthieno[2,3-b]thiophen-3-yl}acetic acid CAS 85504-39-8
| CAS No. | 85504-39-8 |
| Molecular Formula | C10H10O2S2 |
| Molecular Weight | 226.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-{5-ethylthieno[2,3-b]thiophen-3-yl}acetic acid (CAS 85504-39-8) is a high-purity analytical reference standard with the molecular formula C10H10O2S2 and a molecular weight of 226.32 g/mol.
Based on its molecular formula C10H10O2S2, 2-{5-ethylthieno[2,3-b]thiophen-3-yl}acetic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 226.32 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
CATO manufactures 2-{5-ethylthieno[2,3-b]thiophen-3-yl}acetic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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)
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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)
- 2-Boc-2,7-diazaspiro[4.4]nonane (CAS 236406-49-8)
- 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)
- Acetylspiramycin (CAS 24916-51-6)
- 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)
- 4-iodo-1λ⁶-thiane-1,1-dione (CAS 858822-85-2)
- Propoxur-d3 (N-Methyl-d3) (CAS 1219798-56-7)
- Semaglutide impurity 47 (CAS CATO-C4X-222647)
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