31555-59-6 5-Methylthiophene-2-carbonyl chloride 5-methyl-2-thiophenecarbonyl chloride 5-methyl-thiophene-2-carbonyl chloride CAS 31555-59-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 31555-59-6 |
| Molecular Formula | C6H5ClOS |
| Molecular Weight | 160.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
31555-59-6 5-Methylthiophene-2-carbonyl chloride 5-methyl-2-thiophenecarbonyl chloride 5-methyl-thiophene-2-carbonyl chloride (CAS 31555-59-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H5ClOS. Molecular weight: 160.62 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H5ClOS |
| Molecular Weight | 160.62 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
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- tert-Butyl 4-((5-bromothiophen-2-yl)sulfonyl)-3-methylpiperazine-1-carboxylate (CAS 1261234-56-3)
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- 2-[(morpholin-4-yl)methyl]quinazoline-4-thiol (CAS 923711-94-8)
- Liraglutide Impurity 6 TFA Salt (CAS CATO-C4X-19926)
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