Diethyl (3-hydroxyphenyl)phosphonate CAS 33733-32-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 33733-32-3 |
| Molecular Formula | C10H15O4P |
| Molecular Weight | 230.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Diethyl (3-hydroxyphenyl)phosphonate (CAS 33733-32-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C10H15O4P. Molecular weight: 230.20 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C10H15O4P |
| Molecular Weight | 230.20 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1966 |
Related Diethyl Standards
- Diethyl (4-hydroxyphenyl)phosphonate (CAS 28255-39-2)
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Recommended Standards
- 3-Oxo-2-(trifluoromethylthio)butyric acid ethylester (CAS 42105-37-3)
- 3-(Pentafluorothio)styrene (CAS 713-39-3)
- Dimethyl (methoxy(phenyl)methyl)phosphonate (CAS 62456-45-5)
- 3-Methylsulfonyl-2,2',3',4',5,5'-hexachlorobiphenyl (CAS 104086-18-2)
- Xanthinosin (CAS 55555-39-0)
- 5-Bromo-2-chloro-7-(phenylsulfonyl)-7H-pyrrolo[2,3-d]pyrimidine (CAS 2922911-23-5)
- Tert-butyl 4-(6,7,8,9-tetrahydro-5H-[1,2,4]triazolo[4,3-a]azepin-3-yl)piperidine-1-carboxylate (CAS 1610377-23-5)
- 2,3-Diphenylbenzo[f]quinoxaline (CAS 10322-25-5)
- 3-Cyclopentyl-4-isobutyl-1h-pyrazol-5-amine (CAS 1311492-41-7)
- Semaglutide impurity 23 (CAS CATO-C4X-222623)
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