Phenylphosphonic acid CAS 1571-33-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1571-33-1 |
| Molecular Formula | C6H7O3P |
| Molecular Weight | 158.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Phenylphosphonic acid (CAS 1571-33-1) pharmaceutical standards reference standard. Molecular formula: C6H7O3P. Molecular weight: 158.09 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C6H7O3P |
| Molecular Weight | 158.09 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) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
Related Phenylphosphonic Standards
Recommended Standards
- 5-fluoro-2-nitropyridine 1-oxide (CAS 935753-02-9)
- Favipiravir Impurity 9 (CAS 1079990-21-8)
- phenyl dihydrogen phosphite (CAS 3486-75-7)
- Benzyl (R)-piperidine-2-carboxylate hydrochloride (CAS 34465-67-3)
- 1-(Octan-2-yl)-1H-pyrazol-4-amine (CAS 1240570-54-0)
- 1,3-Diazepane-2,4-dione (CAS 75548-99-1)
- Moxonidine EP Impurity D (CAS 352457-33-1)
- 4,6-Diphenylpyridazin-3(2H)-one (CAS 2166-00-9)
- 2-Deoxyuridine-1- (CAS 478510-85-9)
- Semaglutide impurity 39 (CAS CATO-C4X-222639)
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