4-methylthiophene-3-carbonyl chloride CAS 1261811-54-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1261811-54-4 |
| Molecular Formula | C6H5ClOS |
| Molecular Weight | 160.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4-methylthiophene-3-carbonyl chloride (CAS 1261811-54-4) pharmaceutical standards reference standard. Molecular formula: C6H5ClOS. Molecular weight: 160.62 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
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.) | 1990 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related methylthiophene Standards
- 2-Methylthiophene-3-carbonyl chloride (CAS 123116-02-9)
- 3-Methylthiophene-2-carbonyl chloride (CAS 61341-26-2)
- 31555-59-6 5-Methylthiophene-2-carbonyl chloride 5-methyl-2-thiophenecarbonyl chloride 5-methyl-thiophene-2-carbonyl chloride (CAS 31555-59-6)
- 754190-97-1 5-Methylthiophene-3-carbonyl chloride DTXSID90559653 (CAS 754190-97-1)
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- 5-methylthiophene-2-carbothioamide (CAS 24662-28-0)
- 2-Methylthiophene-3-carbohydrazide (CAS 1228426-89-8)
Recommended Standards
- 2-Chloro-3-methylthiopyrazine (CAS 1248090-42-7)
- 2-Chloro-5-cyclopropyl-1,3,4-thiadiazole (CAS 1343234-55-8)
- 4-Chloro-6-methylpyrimidine-2(1H)-thione (CAS 1240622-76-7)
- N-Acetyl-3-(2,6-difluoro-phenyl)-D-alanine (CAS 266360-56-9)
- 2-Methyl-3-(n-methylsulfamoyl)benzoic acid (CAS 1343675-33-1)
- 5-Chloro-6-methyl-2-oxo-1,2-dihydropyridine-3-carboxylic acid (CAS 117449-75-9)
- Empagliflozin Impurity 311 (CAS CATO-C4X-1065311)
- (S)-1-Isopropoxypropan-2-amine (CAS 1217449-30-3)
- Droperidol Impurity 16 (CAS 39146-45-7)
- Casein kinase II peptide Substrate (CAS 154444-98-1)
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