Thiophene-2-sulfonic acid CAS 79-84-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 79-84-5 |
| Molecular Formula | C4H4O3S2 |
| Molecular Weight | 164.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order Thiophene-2-sulfonic acid (CAS 79-84-5) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C4H4O3S2. Molecular weight: 164.20 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C4H4O3S2 |
| Molecular Weight | 164.20 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 2 |
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Recommended Standards
- Tetralin-2,5-diol (CAS 35697-11-1)
- Vardenafil Impurity 7 (CAS 53623-81-7)
- Phenylethyloxyacetaldehyde (CAS 41847-88-5)
- 1-(4-Isopropylphenyl)but-3-en-1-ol (CAS 5416-56-8)
- (2R)-n-phenylpyrrolidine-2-carboxamide (CAS 104261-87-2)
- 4-(2-Fluorophenyl)-4-oxobutanoic acid (CAS 90429-80-4)
- 3-[2-(2-methylphenyl)ethyl]-1H-pyrazol-5-amine (CAS 1312343-74-0)
- Sulfisoxazole-d4 (CAS 1388717-81-4)
- S-methyl 2-methylpropanethioate (CAS 42075-42-3)
- D-Ser39-Tirzepatide (CAS CATO-CPTD788694)
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