Bis(4-carboxyphenyl)(4-trifluoromethylphenyl)phosphine CAS 1808959-37-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1808959-37-6 |
| Molecular Formula | C21H14F3O4P |
| Molecular Weight | 418.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Bis(4-carboxyphenyl)(4-trifluoromethylphenyl)phosphine (CAS 1808959-37-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H14F3O4P. Molecular weight: 418.30 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C21H14F3O4P |
| Molecular Weight | 418.30 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, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 13.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F-containing |
Related Bis Standards
- Bis(3-carboxyphenyl)(3-trifluoromethylphenyl)phosphine (CAS 1808959-39-8)
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- 13-cis-12-(3'-Carboxyphenyl)retinoic acid (CAS 141948-79-0)
- 9-(2-Carboxyphenyl)-2,7-dimethyl-3,6-bis(ethylamino)xanthylium (CAS 25152-49-2)
- 2,2-bis(4-carboxyphenyl)hexafluoropropane (CAS 1171-47-7)
- 4'-((4-Carboxyphenyl)ethynyl)-2',5'-dimethoxy-[1,1'-biphenyl]-4-carboxylicacid (CAS 2052361-57-4)
- 5'-(4-Carboxyphenyl)-[1,1':3',1''-terphenyl]-3,3''-dicarboxylic acid (CAS 1259390-34-5)
- 5'-(2-Carboxyphenyl)-[1,1':3',1''-terphenyl]-2,2''-dicarboxylicacid (CAS 955050-88-1)
Recommended Standards
- N-(4-(4,5-dichloro-1H-imidazol-1-yl)phenyl)naphthalene-2-sulfonamide (CAS 1023356-72-0)
- tert-Butyl (S)-(5-methyl-4-oxo-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-3-yl)carbamate (CAS 2820450-40-4)
- (Z)-5-(5-Bromo-2-methoxybenzylidene)-3-(4-methylbenzyl)thiazolidine-2,4-dione (CAS 777075-57-7)
- Methyl 2-cyano-2-(4-methylbenzyl)-3-(p-tolyl)propanoate (CAS 1202778-97-9)
- 4-Bromo-1-(phenylsulfonyl)-1H-pyrrolo[2,3-c]pyridine (CAS 1198437-91-0)
- 1-(2-((4-Methylbenzyl)thio)-4,5-dihydro-1H-imidazol-1-yl)-2-(thiophen-2-yl)ethan-1-one (CAS 851805-30-6)
- 1-[(2R,3R,4R,5R)-5-(azidomethyl)-3-fluoro-4-hydroxy-tetrahydrofuran-2-yl]pyrimidine-2,4-dione (CAS 1012080-88-4)
- 5-[(3-fluorophenyl)amino]-1,3,4-thiadiazole-2-thiol (CAS 852400-49-8)
- Fmoc-Hyp(tBu)-Hyp(tBu)-OH (CAS CATO-CPTD789001)
- Semaglutide (CAS 910463-68-2（free base）)
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