Thiophene-2,3-dicarboxylic Acid CAS 1451-95-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1451-95-2 |
| Molecular Formula | C6H4O4S |
| Molecular Weight | 172.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Thiophene-2,3-dicarboxylic Acid (CAS 1451-95-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H4O4S. Molecular weight: 172.16 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H4O4S |
| Molecular Weight | 172.16 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.) | 1957 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 1-(2-Fluoroethyl)-5-methyl-1H-pyrazole-4-carboxylic acid (CAS 1443279-66-0)
- 2-(1-Ethyl-1h-pyrazol-4-yl)-2-fluoroacetic acid (CAS 1507749-69-0)
- 1-(2-Fluoroethyl)-3-methyl-1H-pyrazole-5-carboxylic acid (CAS 1443279-33-1)
- 2,3,5,6-tetramethylbenzenesulfinic acid (CAS 957029-02-6)
- 4-Ethoxy-3-methylbenzoic Acid (CAS 92315-60-1)
- 8-chloro-2-methoxy-1,5-naphthyridine (CAS 249889-68-7)
- Piperacillin EP Impurity E (CAS 59702-31-7)
- 5-Acetyl-2-amino-6-methyl-4-phenyl-4H-pyran-3-carbonitrile (CAS 89809-89-2)
- 2-(tert-Butoxy)-1-cyclopropoxy-4-fluorobenzene (CAS 1243322-30-6)
- Semaglutide impurity 87 (CAS CATO-C4X-222687)
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