benzo[d][1,3]dioxol-5-yldiphenylphosphine oxide CAS 209981-66-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 209981-66-8 |
| Molecular Formula | C19H15O3P |
| Molecular Weight | 322.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies benzo[d][1,3]dioxol-5-yldiphenylphosphine oxide (CAS 209981-66-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C19H15O3P. Molecular weight: 322.29 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C19H15O3P |
| Molecular Weight | 322.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 12.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2016 |
Related benzo Standards
- N-(benzo[d][1,3]dioxol-5-yl)-2-(3-formyl-1H-indol-1-yl)acetamide (CAS 294889-52-4)
- 2-(Benzo[d]isoxazol-3-yl)-1-(4-(pyridin-2-yl)piperazin-1-yl)ethan-1-one (CAS 902845-52-7)
- 3-(((Benzo[d][1,3]dioxol-5-ylmethyl)amino)methyl)-7-methylquinolin-2(1H)-one (CAS 484025-55-0)
- Methyl 3-(benzo[d][1,3]dioxol-5-yl)-3-(3-(tert-butyl)ureido)propanoate (CAS 866144-46-9)
- 2-(Benzo[d]thiazol-2-yl)-3-(2,4-dimethoxyphenyl)acrylonitrile (CAS 155838-47-4)
- 3-((1H-Benzo[d]imidazol-2-yl)methyl)-2-(phenylimino)thiazolidin-4-one (CAS 89334-78-1)
- 5-(Benzo[d]isoxazol-3-ylmethyl)-4-(p-tolyl)-2,4-dihydro-3H-1,2,4-triazole-3-thione (CAS 861206-87-3)
- 1,2-Bis(benzo[b]thiophen-3-yl)ethane-1,2-dione (CAS 5381-27-1)
Recommended Standards
- 4-(4-Formyl-2-pyrimidinyl)phenyl 4-fluorobenzenecarboxylate (CAS 477870-91-0)
- Fluconazole EP Impurity I (CAS 749821-19-0)
- 4-(3-Nitrobenzenesulfonamido)benzoic acid (CAS 59923-19-2)
- 1-((Difluoromethyl)sulfonyl)piperidin-4-amine hydrochloride (CAS 2800920-27-6)
- Methyl 2-(4,5-dimethoxy-2-{[4-(2-methoxyphenyl)piperazin-1-yl]sulfonyl}phenyl)acetate (CAS 497060-56-7)
- 1-[4-(2-fluorophenyl)-5-methyl-1,3-thiazol-2-yl]cyclobutan-1-amine hydrochloride (CAS 1909306-59-7)
- 5-(Chloromethyl)pyrimidine-2,4(1H,3H)-dione (CAS 3590-48-5)
- 3-Chloro-N-(cyclopentylmethyl)-4-fluoroaniline (CAS 919800-13-8)
- 2-Hydroxy-5-(hydroxymethyl)benzonitrile (CAS 1261483-74-2)
- [5-31]-Semaglutide (CAS CATO-C4X-2226263)
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