4,6-Aihydro-1H,3H-thieno[3,4-c]furan-1,3-dione CAS 75532-25-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 75532-25-1 |
| Molecular Formula | C6H4O3S |
| Molecular Weight | 156.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,6-Aihydro-1H,3H-thieno[3,4-c]furan-1,3-dione (CAS 75532-25-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H4O3S. Molecular weight: 156.16 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H4O3S |
| Molecular Weight | 156.16 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.) | 1978 |
| Sulfur Atoms | 1 |
Recommended Standards
- 3-Sulfanylpyrazine-2-carboxylic acid (CAS 36931-81-4)
- 4-Fluoro-2-methoxyphenylhydrazine (CAS 99111-95-2)
- 3-Nitropyridine-4(1h)-thione (CAS 98382-93-5)
- (R)-2-Ethylpyrrolidine-2-carboxylic acid hydrochloride (CAS 1431699-60-3)
- 2-Oxoimidazolidine-1-carbohydrazide (CAS 64341-24-8)
- 2-Benzyl-1,1,3,3-tetramethylisoindoline (CAS 82894-83-5)
- Methyl 4-Fluoroindole-3-acetate (CAS 5159-06-8)
- piperidine-2-carbaldehydeHCl (CAS 144876-20-0)
- (R)-ethyl-3-acetamidobutanoate (CAS 187989-67-9)
- Semaglutide impurity 203 (CAS CATO-C4X-2226203)
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