2',3,5-Trifluoro-4''-propyl-1,1':4',1''-terphenyl CAS 857048-78-3
| CAS No. | 857048-78-3 |
| Molecular Formula | C21H17F3 |
| Molecular Weight | 326.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 326.35 g/mol gives 2',3,5-Trifluoro-4''-propyl-1,1':4',1''-terphenyl distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2',3,5-Trifluoro-4''-propyl-1,1':4',1''-terphenyl (CAS 857048-78-3), molecular formula C21H17F3 and molecular weight 326.35 g/mol, is a CATO reference standard with documented purity and traceability.
2',3,5-Trifluoro-4''-propyl-1,1':4',1''-terphenyl (C21H17F3) contains fluorine substitution, a polycyclic aromatic system. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2',3,5-Trifluoro-4''-propyl-1,1':4',1''-terphenyl meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C21H17F3 |
| Molecular Weight | 326.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
Related Trifluoro Standards
- 2',3,4-Trifluoro-4''-propyl-1,1':4',1''-terphenyl (CAS 248936-60-9)
- 2',3,5-Trifluoro-4''-propyl-[1,1':4',1''-terphenyl]-4-ol (CAS 953049-31-5)
- Trifluoro-methanesulfonic acid dimethyl(1-methyl-1-phenylethyl)silyl ester (CAS 1027938-82-4)
- 2,3,5-Trifluoro-6-nitroaniline (CAS 5415-62-3)
- Trifluoro-methanesulfonic acid dimethyl(1,1,2,2,2-pentafluoroethyl)silyl ester (CAS 1190956-21-8)
- 2,2,2-Trifluoro-1-(4-fluorophenyl)ethyl trifluoromethanesulfonate (CAS 848836-58-8)
- 1,2,3-Trifluoro-4-iodo-5-(trifluoromethyl)benzene (CAS 2237235-23-1)
- 2,2,2-trifluoro-1-(1-{1H-pyrrolo[2,3-b]pyridine-2-carbonyl}piperidin-3-yl)ethan-1-ol (CAS 2472379-58-9)
Recommended Standards
- 2,3-Diphenylquinoxaline-5-carboxylic acid (CAS 90833-20-8)
- 2,3-Diphenylquinoxaline-6-carboxylic acid (CAS 32387-96-5)
- 2-(7-Oxo-3-(m-tolyl)-3,7-dihydro-6H-[1,2,3]triazolo[4,5-d]pyrimidin-6-yl)-N-propylacetamide (CAS 893932-78-0)
- 2-Amino-10,11-dimethoxy-7,8,12b,13-tetrahydro-5H-1,3,6-triazatetraphen-5-one (CAS 685106-53-0)
- tert-Butyl ((1-(cyanomethyl)cyclohexyl)methyl)carbamate (CAS 227626-62-2)
- 3-(2-Hydroxypropyl)-2-sulfanyl-3,4-dihydroquinazolin-4-one (CAS 16024-86-5)
- 3-Amino-n'-hydroxypropanimidamide (CAS 16750-43-9)
- (3-(1-(tert-Butoxy)-1-oxobutan-2-yl)phenyl)boronic acid (CAS 2096341-60-3)
- 3-Amino-1-(4-methoxyphenyl)azetidin-2-one hydrochloride (CAS 1461704-74-4)
- 1-Boc-4-(5-bromo-3-fluoro-2-pyridyl)-3-methylpiperazine (CAS 1354940-67-2)
- 2422-91-5 Benzene, 1,1',1''-methylidynetris(4-isocyanato- Methylidynetri-p-phenylene triisocyanate EINECS 219-351-8 EC 219-351-8 (CAS 2422-91-5)
- 2-Benzyloxy-3-nitrophenylamine hydrochloride (CAS 847657-55-0)
- 3-(2-(4-Chlorophenyl)hydrazono)-1-phenylindolin-2-one (CAS 303984-90-9)
- a-Bag Cell Peptide (1-8) (CAS 87549-53-9)
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 18665070610 / Nicole.chen@cato-chem.com