2-Acetylamino-5-chlorobenzenesulfonic acid pyridium salt CAS 54981-42-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 54981-42-9 |
| Molecular Formula | C8H8ClNO4S C5H5N |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Acetylamino-5-chlorobenzenesulfonic acid pyridium salt (CAS 54981-42-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H8ClNO4S C5H5N. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H8ClNO4S C5H5N |
| Molecular Weight | 328.77 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 1-Ethyl-2-(4-methoxyphenyl)pyrrolidine (CAS 1109231-04-0)
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- 5-(2,4-Dimethoxyphenyl)-4h-1,2,4-triazole-3-thiol (CAS 928710-74-1)
- Butyl 9-(dicyanomethylene)-9H-fluorene-4-carboxylate (CAS 93376-18-2)
- 5-Methyl-1,3-thiazole-2-carbonyl chloride (CAS 61291-22-3)
- 2,6-Dichlorophenethylamine (CAS 14573-23-0)
- Glucagon receptor antagonists-2 (CAS 202917-18-8)
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