Methyldiphenylphosphine oxide CAS 2129-89-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2129-89-7 |
| Molecular Formula | C13H13OP |
| Molecular Weight | 216.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Methyldiphenylphosphine oxide (CAS 2129-89-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C13H13OP. Molecular weight: 216.22 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C13H13OP |
| Molecular Weight | 216.22 g/mol |
| 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) | 7.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Methyldiphenylphosphine Standards
Recommended Standards
- Celecoxib Impurity 72 (CAS CATO-C4X-104372)
- Ceftaroline Fosamil Impurity 23 (CAS 91815-15-5)
- Celecoxib Impurity 43 (CAS 2860553-70-2)
- tert-Butyl 4-(isoquinolin-3-yl)piperazine-1-carboxylate (CAS 1042986-15-1)
- 3-(Aminomethyl)-4-fluorophenol (CAS 1243414-16-5)
- 3-Bromo-1-tosyl-1H-pyrrolo[3,2-b]pyridine (CAS 1060813-00-4)
- Triethyl(methyl)phosphonium dibutyl phosphate (CAS 947601-92-5)
- Methyl 5-nitro-2-phenoxybenzoate (CAS 346704-90-3)
- 5-amino-7-methoxy-3-methyl-1,3-benzoxazol-2-one (CAS 1785154-63-3)
- D-Gln19-Tirzepatide (CAS CATO-CPTD788915)
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