2-Ethynyl-5-phenylthiophene CAS 1665-35-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1665-35-6 |
| Molecular Formula | C12H8S |
| Molecular Weight | 184.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Ethynyl-5-phenylthiophene (CAS 1665-35-6) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C12H8S. Molecular weight: 184.26 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C12H8S |
| Molecular Weight | 184.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Methyl 5-propylthiophene-2-carboxylate (CAS 161618-22-0)
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- ((3-Aminophenyl)imino)dimethyl-lambda6-sulfanone (CAS 1610450-04-8)
- D-(-)-2,3-diphosphoglyceric Acid (CAS 14438-19-8)
- 1,2-Di(2-pyridyl)benzene (CAS 74764-52-6)
- 3-(Phenylthio)-N-((5-(thiophene-2-carbonyl)thiophen-2-yl)methyl)propanamide (CAS 1421508-34-0)
- Moxifloxacin Impurity 54 (CAS CATO-C4X-107454)
- 4-Methoxy-6-methylquinoline (CAS 99842-59-8)
- 2-(Dimethylamino)pyrimidin-5-ol (CAS 72491-71-5)
- Des-Leu14-Tirzepatide (CAS CATO-CPTD788959)
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