2-Methylthiophene-3-carboxylic Acid CAS 1918-78-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1918-78-1 |
| Molecular Formula | C6H6O2S |
| Molecular Weight | 142.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Methylthiophene-3-carboxylic Acid (CAS 1918-78-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H6O2S. Molecular weight: 142.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H6O2S |
| Molecular Weight | 142.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| 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.) | 1957 |
| Sulfur Atoms | 1 |
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- 5-Methylthiophene-3-boronic acid (CAS 930303-82-5)
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Recommended Standards
- 6-methyl-2-sulfanylidene-1,2,3,4-tetrahydropyrimidin-4-one (CAS 1956-04-2)
- 1-methyl-1H-1,2,3-triazole-4-carbothioamide (CAS 1849225-56-4)
- (R)-2-(Vinylsulfinyl)furan (CAS 646516-48-5)
- Ethyl 4H-1,2,4-triazole-4-carboxylate (CAS 83784-81-0)
- Ethyl 1-Cbz-3-fluoropiperidine-3-carboxylate (CAS 1111640-60-8)
- 4-(1-Isopropylpiperidin-4-yl)aniline (CAS 837421-92-8)
- (4-(Benzyloxy)-3-methylphenyl)methanol (CAS 1898255-67-8)
- N-Butyl-4-chloro-N-(6-morpholin-4-yl-3-nitro-4-trifluoromethyl-pyridin-2-yl)-benzamide (CAS 1311279-92-1)
- (2R,3S,4R,5R)-2-(Hydroxymethyl)-5-(6-(((12-methyltetraphen-7-yl)methyl)amino)-9H-purin-9-yl)tetrahydrofuran-3,4-diol (CAS 94617-18-2)
- Semaglutide238 (CAS CATO-C4X-2226238)
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