4-Hydroxybenzenesulfonic Acid Ammonium Salt CAS 856777-15-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 856777-15-6 |
| Molecular Formula | C6H5O4S H4N |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Hydroxybenzenesulfonic Acid Ammonium Salt (CAS 856777-15-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H5O4S H4N. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H5O4S H4N |
| Molecular Weight | 191.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Hydroxybenzenesulfonic Standards
Recommended Standards
- 2-(1,3-Dioxo-1,3-dihydro-2H-inden-2-ylidene)-4,4-dimethyl-3-oxopentanenitrile (CAS 1023874-78-3)
- 1-o-Tolueneazo-2-naphthol (CAS 2646-17-5)
- Deracoxib Impurity 4 (CAS 1798429-38-5)
- 3,7-Dimethylbenzofuran-4-amine (CAS 187268-00-4)
- 3-[(2-Iodophenoxy)methyl]piperidine hydrochloride (CAS 1219976-54-1)
- 7-Fluoroisochromane-1,3-dione (CAS 1091613-48-7)
- Semaglutide impurity 290 (CAS CATO-C4X-2226290)
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