Diethyl [hydroxy(phenyl)methyl]phosphonate CAS 1663-55-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1663-55-4 |
| Molecular Formula | C11H17O4P |
| Molecular Weight | 244.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order Diethyl [hydroxy(phenyl)methyl]phosphonate (CAS 1663-55-4) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C11H17O4P. Molecular weight: 244.22 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C11H17O4P |
| Molecular Weight | 244.22 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.) | 1957 |
Related Diethyl Standards
- Diethyl (2-hydroxybenzyl)phosphonate (CAS 50375-72-9)
- Diethyl (4-methoxyphenyl)phosphonate (CAS 3762-33-2)
- Diethyl 2-(ethoxymethylene)-3-oxosuccinate (CAS 52942-64-0)
- Diethyl 3,4-dihydroxyfuran-2,5-dicarboxylate (CAS 6270-57-1)
- 2,5-Diethyl 3-hydroxythiophene-2,5-dicarboxylate (CAS 99187-10-7)
- Diethyl 2-aminothiazole-4,5-dicarboxylate (CAS 5445-93-2)
- Diethyl 4-aminoisothiazole-3,5-dicarboxylate (CAS 72632-87-2)
- Diethyl P-[(ethoxyphosphinyl)methyl]phosphonate (CAS 179015-82-8)
Recommended Standards
- 3-(4-Fluorobenzoyl)benzoic acid (CAS 159782-00-0)
- 5'-Deoxy-5'-fluorothymidine (CAS 17199-43-8)
- 2-(3-Fluorobenzoyl)benzoic acid (CAS 1580-54-7)
- 3-Ethyl-1-(2-hydroxyethyl)-1H-pyrazole-4-carboxylic acid (CAS 1171994-87-8)
- 5-(4-Methyl-2-nitrophenyl)furan-2-carbaldehyde (CAS 425645-31-4)
- Oseltamivir Impurity 154 (CAS 40983-58-2)
- Ethyl 3-[4-(4-Methyl-1-piperazinyl)benzamido]-5,6-dihydropyrrolo[3,4-c]pyrazole-1(4H)-carboxylate (CAS 761443-50-9)
- Methyl ((S)-1-((S)-2-(6-bromo-1H-benzo[d]imidazol-2-yl)pyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate (CAS 1228552-45-1)
- 3,6-Di(2-thienyl)-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione 3,6-di(thiophen-2-yl)-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione 850583-75-4 (CAS 850583-75-4)
- Tirzepatide Impurity 12 (CAS CATO-C4X-324012)
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