Diethyl 2-(triphenylphosphoranylidene)malonate CAS 7509-48-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 7509-48-0 |
| Molecular Formula | C25H25O4P |
| Molecular Weight | 420.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Diethyl 2-(triphenylphosphoranylidene)malonate (CAS 7509-48-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C25H25O4P. Molecular weight: 420.44 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C25H25O4P |
| Molecular Weight | 420.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| 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) | 13.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
Related Diethyl Standards
- Diethyl 2,2'-(butane-1,4-diylbis(azanediyl))bis(6-oxo-1,6-dihydropyrimidine-5-carboxylate) (CAS 92736-10-2)
- Diethyl 6-ethyl-3-iodo-6H-thieno[2,3-b]pyrrole-2,5-dicarboxylate (CAS 1956383-22-4)
- Diethyl(troc-amino)bromomethylphosphonate (CAS 108217-08-9)
- Diethyl 5-(3,4-dimethoxybenzamido)-3-methylthiophene-2,4-dicarboxylate (CAS 5657-82-9)
- diethyl [1-{[(2-ethoxyethoxy)carbonyl]amino}-2,2,2-trifluoro-1-(trifluoromethyl)ethyl]phosphonate (CAS 340031-52-9)
- Diethyl 2-(((3-iodo-4-methoxyphenyl)amino)methylene)malonate (CAS 2055350-37-1)
- Diethyl (3-chloro-6-methyl-4-(p-tolylamino)quinolin-2-yl)phosphonate (CAS 107292-76-2)
- Diethyl 2,2'-((sulfonylbis(4,1-phenylene))bis(oxy))diacetate (CAS 38775-52-9)
Recommended Standards
- BAY 41-8543 (CAS 256498-66-5)
- Ethyl 2-{[(5E)-5-[(naphthalen-1-yl)methylidene]-4-oxo-4,5-dihydro-1,3-thiazol-2-yl]amino}-6-oxo-1,6-dihydropyrimidine-5-carboxylate (CAS 866041-00-1)
- 4-Methyl-N-(2-(4-nitrophenyl)quinazolin-4-yl)benzenesulfonamide (CAS 61335-57-7)
- Methyl 4-bromo-1-cyclopentyl-1H-pyrazole-3-carboxylate (CAS 1856021-50-5)
- 6,7-bis(2-Methoxyethoxy)-N-phenylquinazolin-4-amine Hydrochloride (CAS 2055840-53-2)
- N-methylsulfamoyl fluoride (CAS 32361-47-0)
- N-(3-chlorophenyl)-2-((4-phenyl-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 332385-34-9)
- 4-Methoxy-5-(5-phenyl-4,5-dihydro-1H-pyrazol-3-yl)benzofuran-6-ol (CAS 61340-38-3)
- (3-Iodophenyl)methanesulfonamide (CAS 452340-20-4)
- Acetyl Tetrapeptide- 15 (CAS 928007-64-1)
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