Thiophene impurity 4 CAS 200561-81-5
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 200561-81-5 |
| Molecular Formula | C10H10OS2 |
| Molecular Weight | 210.32 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Thiophene impurity 4 (CAS 200561-81-5) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C10H10OS2. Molecular weight: 210.32 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C10H10OS2 |
| Molecular Weight | 210.32 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | 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.) | 2014 |
| Sulfur Atoms | 2 |
Related Thiophene Standards
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Recommended Standards
- Avatrombopag Impurity 69 (CAS 91695-59-9)
- 2-(6-Ethyl-4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)ethan-1-amine (CAS 1016851-02-7)
- N-Nitrosodicyclohexylamine (CAS 947-92-2)
- Tepotinib Impurity N54 (CAS 1103506-79-1)
- Semaglutide Impurity 186 (CAS CATO-C4X-2226186)
- (2S)-3-(1H-Indol-3-yl)-2-[(3-nitropyridin-2-yl)amino]propanoic acid (CAS 36977-07-8)
- 3-(Methyl(1-methylpiperidin-4-yl)amino)propanoic acid (CAS 885273-26-7)
- 2-(4-(Difluoromethyl)-6-methoxy-3-(trifluoromethyl)pyridin-2-yl)acetonitrile (CAS 1805151-16-9)
- 5,8-Difluoro-2-methylquinazolin-4(3H)-one (CAS 825654-55-5)
- Cholecystokinin Octapeptide (sulfated) (H-2060.0005) (CAS 25679-23-6)
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