(Hydroxy(pyridin-3-yl)methyl)diphenylphosphine oxide CAS 18629-21-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 18629-21-5 |
| Molecular Formula | C18H16NO2P |
| Molecular Weight | 309.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(Hydroxy(pyridin-3-yl)methyl)diphenylphosphine oxide (CAS 18629-21-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C18H16NO2P. Molecular weight: 309.30 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C18H16NO2P |
| Molecular Weight | 309.30 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) | 11.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 1 |
Related Hydroxy Standards
- 1236066-51-5 Hydroxy-[N-t-BOC-(2S)-Pyrrolidinyl]methyl Dimethyl Phosphonate tert-butyl (S)-2-((R)-(dimethoxyphosphoryl)(hydroxy)methyl)pyrrolidine-1-carboxylate (CAS 1236066-51-5)
- 4-Hydroxy Trimethoprim-13C3 (CAS 1391053-67-0)
- (Hydroxy(pyridin-2-yl)methyl)diphenylphosphine oxide (CAS 260446-76-2)
- (Hydroxy(pyridin-4-yl)methyl)diphenylphosphine oxide (CAS 260446-47-7)
- Methyl 2-(4-hydroxy-3-methoxyphenyl)quinoline-4-carboxylate (CAS 133676-10-5)
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Recommended Standards
- Risdiplam Impurity C26 (CAS 1825352-87-1)
- 2-(1-(5-Methyl-3-(5-nitrofuran-2-yl)isoxazol-4-yl)ethylidene)hydrazinecarbothioamide (CAS 15154-25-3)
- 4-{[2-carboxy-1-(thiophen-2-yl)ethyl]carbamoyl}-1H-imidazole-5-carboxylic acid (CAS 1485543-29-0)
- p-Hydroxyfenbendazole (CAS 72447-64-4)
- Methyl 5-Hydroxy-1-naphthoate (CAS 91307-40-3)
- 11-Phenylundecanoic acid (CAS 3343-24-6)
- 3-(3,5-difluorophenyl)-1,2-oxazol-5-amine (CAS 1020996-82-0)
- 1-Chloropropan-2-amine hydrochloride (CAS 5968-21-8)
- 7,7-Dioxido-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl 3-methylbenzoate (CAS 343373-68-2)
- Semaglutide impurity 76 (CAS CATO-C4X-222676)
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