4-[Bis[4-(trifluoromethyl)phenyl]phosphino]benzoic Acid CAS 1808959-36-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1808959-36-5 |
| Molecular Formula | C21H13F6O2P |
| Molecular Weight | 442.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-[Bis[4-(trifluoromethyl)phenyl]phosphino]benzoic Acid (CAS 1808959-36-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H13F6O2P. Molecular weight: 442.29 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C21H13F6O2P |
| Molecular Weight | 442.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F-containing |
Related Bis Standards
- 2-{4-[3-(trifluoromethyl)benzenesulfonyl]piperazine-1-carbonyl}benzoic acid (CAS 743451-21-0)
- Ethyl 4-(1-(4-(trifluoromethyl)benzo[d]thiazol-2-yl)azetidine-3-carbonyl)piperazine-1-carboxylate (CAS 1396807-32-1)
- 4-{5-[3-(trifluoromethyl)phenyl]-1H-pyrazol-3-yl}-1-(2,4,6-trimethylbenzoyl)piperidine (CAS 1030386-13-0)
- 3-(Trifluoromethyl)-N-(4-((3-(trifluoromethyl)phenyl)thio)phenyl)benzamide (CAS 339104-72-2)
- 3-[3,5-di(trifluoromethyl)phenyl]-1-(4-methyl-2-phenyl-1,3-thiazol-5-yl)prop-2-en-1-one (CAS 257284-94-9)
- 4-{[1-methyl-3-(trifluoromethyl)-5-[3-(trifluoromethyl)phenoxy]-1H-pyrazol-4-yl]methoxy}benzonitrile (CAS 318959-27-2)
- 1-[5,7-Bis(trifluoromethyl)-1,8-naphthyridin-2-yl]-4-(4-fluorophenyl)-1H-pyrazol-5-amine (CAS 321522-23-0)
- 1-Benzyl-3-(5-((3-(trifluoromethyl)benzyl)thio)-1,3,4-oxadiazol-2-yl)pyridin-2(1H)-one (CAS 477853-00-2)
Recommended Standards
- CC 0651 (CAS 1319207-44-7)
- Bis(3-trifluoromethylphenyl)(3-carboxyphenyl)phosphine (CAS 1808959-38-7)
- (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(2,3-dichlorophenyl)acetic acid (CAS 1260605-33-1)
- (E)-2-(5-bromo-2-hydroxybenzylidene)hydrazine-1-carbothioamide (CAS 16434-32-5)
- (βS,1R,3aS,4E,7aR)-4-[(2E)-2-[(3S,5R)-3,5-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethylidene]octahydro-β,7a-dimethyl-1H-indene-1-ethanol (CAS 128387-35-9)
- (3S,4R)-3-fluoropiperidine-4-carboxylic acid (CAS 2166219-99-2)
- 3-(4-Chloro-1-methyl-1h-pyrazol-5-yl)propanoic acid (CAS 1006483-04-0)
- N,N-diallyl-3-(aminomethyl)pyridin-2-amine (CAS 1220028-13-6)
- N-Isopropylpyridin-4-amine (CAS 34844-89-8)
- Semaglutide impurity 198 (CAS CATO-C4X-2226198)
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