4,4'-([1,1'-Biphenyl]-4,4'-diylbis(oxy))bis(3-(trifluoromethyl)aniline) CAS 138321-99-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 138321-99-0 |
| Molecular Formula | C26H18F6N2O2 |
| Molecular Weight | 504.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4'-([1,1'-Biphenyl]-4,4'-diylbis(oxy))bis(3-(trifluoromethyl)aniline) (CAS 138321-99-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C26H18F6N2O2. Molecular weight: 504.42 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C26H18F6N2O2 |
| Molecular Weight | 504.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Biphenyl Standards
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Recommended Standards
- 3-(2-Methoxyphenyl)-1-[(4-methylbenzene)sulfonyl]-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrolo[2,3-b]pyridine (CAS 875639-17-1)
- Ethyl 1-((4-methoxyphenyl)carbamoyl)-4,6-dioxo-5-(3-(trifluoromethyl)phenyl)-1,3a,4,5,6,6a-hexahydropyrrolo[3,4-c]pyrazole-3-carboxylate (CAS 318237-90-0)
- (3S,5S,6R)-3-[(3S)-4-Bromo-3-hydroxybutyl]-2-oxo-5,6-diphenyl-4-morpholinecarboxylic Acid tert-Butyl Ester (CAS 869111-54-6)
- Benzyl 1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridine-5-carboxylate (CAS 858116-67-3)
- 4-Chloro-2-ethyl-5-hydrazinylpyridazin-3(2H)-one (CAS 452344-73-9)
- 3-Benzoyl-6-methyl-4,5,6,7-tetrahydro-1-benzothiophen-2-amine (CAS 50508-69-5)
- (1-(2-Methoxybenzyl)-1h-imidazol-4-yl)methanamine hydrochloride (CAS 1439900-59-0)
- Methyl 3-amino-3-(4-chloro-3-fluorophenyl)propanoate (CAS 1250571-73-3)
- 1-(3-Nitrophenyl)pyrrolidin-2-one (CAS 61372-79-0)
- Semaglutide impurity 197 (CAS CATO-C4X-2226197)
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