2-Phenylethenesulfonic acid CAS 2039-45-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2039-45-4 |
| Molecular Formula | C8H8O3S |
| Molecular Weight | 184.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Phenylethenesulfonic acid (CAS 2039-45-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H8O3S. Molecular weight: 184.21 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H8O3S |
| Molecular Weight | 184.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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 |
Recommended Standards
- 2-Methoxy-4-mercaptobenzoic Acid (CAS 95420-72-7)
- 3-((2-Fluorobenzyl)oxy)propan-1-ol (CAS 873945-77-8)
- 2-Mercapto-4-methoxybenzoic acid (CAS 80568-44-1)
- Ethyl 2-chloro-6-nitroquinoline-3-carboxylate (CAS 91538-58-8)
- 4-Bromo-6-methoxyquinoline-3-carbonitrile (CAS 872714-52-8)
- (4,5,6,7-Tetrahydro-1,3-benzothiazol-2-yl)methanol (CAS 40516-71-0)
- 3-Methyl-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-carboxylic acid (CAS 113100-55-3)
- 4-(2,4-Difluorobenzoyl)quinoline (CAS 1706450-34-1)
- AI-10-49 (CAS 1256094-72-0)
- Semaglutide impurity 273 (CAS CATO-C4X-2226273)
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