Methyl 3-(triphenylphosphoranylidene)propanoate CAS 40955-14-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 40955-14-4 |
| Molecular Formula | C22H21O2P |
| Molecular Weight | 348.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 3-(triphenylphosphoranylidene)propanoate (CAS 40955-14-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H21O2P. Molecular weight: 348.37 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C22H21O2P |
| Molecular Weight | 348.37 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.) | 1968 |
Related Methyl Standards
- Ethyl (triphenylphosphoranylidene)carbamate (CAS 17437-51-3)
- 1-(Triphenylphosphoranylidene)pentan-2-one (CAS 17615-01-9)
- 3-Methyl-1-(triphenylphosphoranylidene)butan-2-one (CAS 19753-67-4)
- 2605-67-6 Methyl (triphenylphosphoranylidene)acetate Acetic acid, 2-(triphenylphosphoranylidene)-, methyl ester Acetic acid, (triphenylphosphoranylidene)-, methyl ester (Carbomethoxymethylene)triphenylphosphorane EINECS 220-018-4 ((Methoxycarbonyl)methylene)triphenylphosphorane Methyl triphenylphosphoranylideneacetate NSC 117573 NSC 407395 Triphenyl(carbomethoxymethylene)phosphorane (Triphenylphosphoranylidene)acetic acid methyl ester (CAS 2605-67-6)
- 3-Methyl-5-((triphenylphosphoranylidene)methyl)isoxazole (CAS 110302-06-2)
- 3-(Triphenylphosphoranylidene)dihydrofuran-2,5-dione (CAS 906-65-0)
- Methyl (triphenylphosphoranylidene)carbamate (CAS 40438-23-1)
- 3-Oxo-2-(triphenylphosphoranylidene)butanoic acid (CAS 184000-45-1)
Recommended Standards
- Methyl 3-(triphenyl-lambda5-phosphanylidene)propanoate (CAS 2605-67-7)
- Methyl 3-{5-[(1E)-2-acetyl-3-ethoxy-3-oxoprop-1-en-1-yl]furan-2-yl}thiophene-2-carboxylate (CAS 241488-49-3)
- Methyl 3-(2-(2-morpholino-2-oxoacetyl)-1H-pyrrol-1-yl)thiophene-2-carboxylate (CAS 477857-72-0)
- 2-Methoxy-6-(trifluoromethyl)phenol (CAS 116314-59-1)
- (2E)-3-(3-([(3-hydroxypropyl)amino]sulfonyl)-4-methoxyphenyl)acrylic acid (CAS 299954-30-6)
- 3-(Methylamino)pyridine (CAS 18364-47-1)
- 2-(2-Bromo-5-(difluoromethyl)-4-nitropyridin-3-yl)acetonitrile (CAS 1805164-64-0)
- Azobisisobutyronitrile (CAS 764-28-3)
- 2-(1,3-dioxolan-2-yl)-5-(methylsulfanyl)-1,3-thiazole (CAS 2059948-18-2)
- Semaglutide impurity 80 (CAS CATO-C4X-222680)
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