1-Benzothiophene-2,3-Dione CAS 493-57-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 493-57-2 |
| Molecular Formula | C8H4O2S |
| Molecular Weight | 164.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 1-Benzothiophene-2,3-Dione (CAS 493-57-2) pharmaceutical standards reference standard. Molecular formula: C8H4O2S. Molecular weight: 164.18 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C8H4O2S |
| Molecular Weight | 164.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 1 |
Related Benzothiophene Standards
- Benzothiophene 1,1-Dioxide (CAS 825-44-5)
- 1-Benzothiophene-4-carbonitrile (CAS 17347-34-1)
- 1-Benzothiophene-5-carbonitrile (CAS 2060-63-1)
- Benzothiophene-2-carbonitrile (CAS 55219-11-9)
- 3-Methyl-1-benzothiophene-5-carbonitrile (CAS 19404-23-0)
- 2-Methyl-1-benzothiophene-3-carbonitrile (CAS 39812-03-8)
- 2-Methyl-1-benzothiophene-3-carbaldehyde (CAS 30446-99-2)
- 7-Methyl-1-benzothiophene-3-carbaldehyde (CAS 7312-00-7)
Recommended Standards
- 1,2,3-Benzothiadiazole-5-carboxaldehyde (CAS 394223-15-5)
- 1-ethyl-7-fluoro-1H-1,3-benzodiazole (CAS 2417828-43-2)
- 1,1-Dioxotetrahydrothiophene-3-carboxylic Acid (CAS 4785-67-5)
- trans-2-(1-methyl-1H-pyrazol-5-yl)oxane-3-carboxylic acid (CAS 1820575-96-9)
- 1-{5-[(3,5-dimethyl-1H-pyrazol-1-yl)methyl]-1,3-thiazol-2-yl}-4-methylpiperidine (CAS 956624-14-9)
- 3-(2,3-Dihydro-1,4-benzodioxin-6-ylmethylene)-1,3-dihydro-2H-indol-2-one (CAS 170566-13-9)
- Pinaverium Bromide Impurity 11 (CAS 1970218-70-2)
- (3-(1H-Pyrazol-4-yl)phenyl)boronic acid (CAS 1373043-38-9)
- Ethyl 4-((3-cyano-6-methyl-4-(trifluoromethyl)-5,6,7,8-tetrahydroquinolin-2-yl)thio)butanoate (CAS 626228-63-5)
- Neuropeptide Y, porcine (CAS 82785-45-3)
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