4-Methylthiophene-2-carboxamide CAS 83933-16-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 83933-16-8 |
| Molecular Formula | C6H7NOS |
| Molecular Weight | 141.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Methylthiophene-2-carboxamide (CAS 83933-16-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H7NOS. Molecular weight: 141.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H7NOS |
| Molecular Weight | 141.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methylthiophene Standards
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- 3-Methylthiophene-2-carbaldehyde oxime (CAS 41056-90-0)
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- N-Methylthiophene-3-carboxamide (CAS 59906-38-6)
Recommended Standards
- 4-Ethylthiazole-2-carbaldehyde (CAS 211943-05-4)
- 5-(Hydroxymethyl)pyridine-2(1H)-thione (CAS 922517-04-2)
- 4-cyclopropyl-4H-1,2,4-triazole-3-thiol (CAS 667437-96-9)
- 4-hydroxy-4-(3-hydroxypropyl)-1-Piperidinecarboxylic acid 1,1-dimethylethyl ester (CAS 374794-88-4)
- 1-(5-methyl-1H-pyrazol-3-yl)ethanone (CAS 17357-74-3)
- (R)-2-(Dimethylamino)-2-phenylacetic acid (CAS 29810-09-1)
- 4-(Difluoromethyl)-5-nitropyridine-2-sulfonyl chloride (CAS 1806810-96-7)
- n-Cyclobutyl-2-methoxy-5-methylaniline (CAS 1249503-10-3)
- 1,4-Bis(2,3,4,5-tetramethyl-1H-phosphol-1-yl)butane (CAS 125706-15-2)
- Semaglutide impurity 229 (CAS CATO-C4X-2226229)
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