Diphenyl(1-phenylpropa-1,2-dien-1-yl)phosphine oxide CAS 17620-99-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 17620-99-4 |
| Molecular Formula | C21H17OP |
| Molecular Weight | 316.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Diphenyl(1-phenylpropa-1,2-dien-1-yl)phosphine oxide (CAS 17620-99-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H17OP. Molecular weight: 316.33 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C21H17OP |
| Molecular Weight | 316.33 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
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Recommended Standards
- 5-(1-Ethyl-1,2,3,6-tetrahydropyridin-4-yl)-1-(2-fluorophenyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1707594-53-3)
- 1-(p-Tolyl)-1H-benzo[e][1,3,4]thiadiazine-3-carboxylic acid 4,4-dioxide (CAS 1779132-02-3)
- N-(2-Fluoro-4-methoxyphenyl)-4-oxo-1,4,5,6,7,8-hexahydrocyclohepta[b]pyrrole-3-carboxamide (CAS 168272-59-1)
- Fenpropathrin (CAS 64257-84-7)
- Ethyl 2-(2-chlorophenyl)acrylate (CAS 1629188-65-3)
- N-(4,6-dimethylpyridin-2-yl)-4-methylbenzamide (CAS 438463-13-9)
- 4-(3-Isocyanopropyl)morpholine (CAS 32835-58-8)
- Sodium 4-methylpyridine-2-sulfinate (CAS 2097773-45-8)
- N-(2,4-dichlorophenyl)-2-(3-(trifluoromethyl)benzyl)thiazole-4-carboxamide (CAS 478042-44-3)
- Semaglutide impurity 41 (CAS CATO-C4X-222641)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com