3-Methylthiophene-2,5-dicarboxylic acid CAS 89677-40-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 89677-40-7 |
| Molecular Formula | C7H6O4S |
| Molecular Weight | 186.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 3-Methylthiophene-2,5-dicarboxylic acid (CAS 89677-40-7) pharmaceutical standards reference standard. Molecular formula: C7H6O4S. Molecular weight: 186.19 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C7H6O4S |
| Molecular Weight | 186.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Sulfur Atoms | 1 |
Related Methylthiophene Standards
- 5-Methylthiophene-2,3-dicarboxylic Acid (CAS 46029-22-5)
- 4-Ethyl-5-methylthiophene-3-carbohydrazide (CAS 438225-41-3)
- 5-ethyl-4-methylthiophene-2-carbohydrazide (CAS 851169-15-8)
- 4-Ethyl-5-methylthiophene-3-carbonyl chloride (CAS 1160248-82-7)
- 3-Methylthiophene-2-sulfonic acid (CAS 1159877-58-3)
- 5-Methylthiophene-3-sulfonamide (CAS 1017264-52-6)
- 3-Methylthiophene-2-sulfonamide (CAS 81417-51-8)
- 5-Methylthiophene-2-sulfonamide (CAS 53595-69-0)
Recommended Standards
- 3-(Methylthio)-6-oxo-1,6-dihydro-1,2,4-triazine-5-carboxamide (CAS 96259-33-5)
- 3-Sulfobenzaldehyde (CAS 98-45-3)
- 4-Hydroxy-2-(methylthio)pyrimidine-5-carboxylic acid (CAS 397308-78-0)
- n-(3-nItrophenyl)sulfamide (CAS 70466-79-4)
- TPBM (CAS 6466-43-9)
- 6-bromo-5-hydroxyisoindolin-1-one (CAS 1373223-17-6)
- 5-Amino-1-(2,3-dihydroxypropyl)-1H-pyrazole-4-carboxylic acid (CAS 157436-82-3)
- (R)-5-((tert-Butoxycarbonyl)amino)-2-methylpentanoic acid (CAS 1352407-82-9)
- 2-{[(tert-butoxy)carbonyl](methyl)amino}-3-phenylpropanoic acid (CAS 64263-83-8)
- Semaglutide impurity 206 (CAS CATO-C4X-2226206)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com