2-(triphenyl-phosphanylidene)-propionic acid ethyl ester CAS 21382-82-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21382-82-1 |
| Molecular Formula | C23H23O2P |
| Molecular Weight | 362.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(triphenyl-phosphanylidene)-propionic acid ethyl ester (CAS 21382-82-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C23H23O2P. Molecular weight: 362.40 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C23H23O2P |
| Molecular Weight | 362.40 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 | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
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