2,3'',4'',5''-Tetrafluoro-4-propyl-1,1':4',1''-terphenyl CAS 205806-88-8
| CAS No. | 205806-88-8 |
| Molecular Formula | C21H16F4 |
| Molecular Weight | 344.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of 2,3'',4'',5''-Tetrafluoro-4-propyl-1,1':4',1''-terphenyl (C21H16F4) is characterized by fluorine substitution, a polycyclic aromatic system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
2,3'',4'',5''-Tetrafluoro-4-propyl-1,1':4',1''-terphenyl (CAS 205806-88-8) is a high-purity analytical reference standard with the molecular formula C21H16F4 and a molecular weight of 344.35 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 2,3'',4'',5''-Tetrafluoro-4-propyl-1,1':4',1''-terphenyl under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H16F4 |
| Molecular Weight | 344.35 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.) | 2015 |
| Halogen Content | F-containing |
Related Tetrafluoro Standards
- 2',3,4,5-Tetrafluoro-4''-propyl-1,1':4',1''-terphenyl (CAS 205806-87-7)
- 4,5,5,5-Tetrafluoro-4-(perfluoropropoxy)pentan-1-ol (CAS 243128-41-8)
- 1,2,3,4-Tetrafluoro-7-phenoxyacridine (CAS 643032-47-7)
- 1,2,4,5-Tetrafluoro-3,6-bis(2,2,2-trifluoroethoxy)benzene (CAS 6715-31-7)
- (E)-4,5,5,5-tetrafluoro-4-(1,1,2,2,3,3,3-heptafluoropropoxy)pent-2-en-1-ol (CAS 261760-10-5)
- 1,1,1,2-Tetrafluoro-2-trifluoromethoxy-4-iodobutane (CAS 200501-96-8)
- rel-2,3',4',5'-Tetrafluoro-4-((1s,4r)-4-propylcyclohexyl)-1,1'-biphenyl (CAS 173837-35-9)
- 2,3,5,6-Tetrafluoro-4-((8-hydroxyoctyl)oxy)benzoic acid (CAS 1017789-71-7)
Recommended Standards
- 2-(4-Methylphenyl)-6-(thiophen-2-yl)-4-(trifluoromethyl)pyridine-3-carbonitrile (CAS 478068-03-0)
- 4-(4-Ethylphenyl)-2-(ethylsulfonyl)-6-(trifluoromethyl)pyrimidine (CAS 862783-00-4)
- 2-(2-(((3-(Furan-2-yl)-5-thioxo-1H-1,2,4-triazol-4(5H)-yl)imino)methyl)phenoxy)acetic acid (CAS 478253-70-2)
- Ethyl 2-((3-cyano-6-cyclopropyl-4-(trifluoromethyl)pyridin-2-yl)thio)propanoate (CAS 625376-64-9)
- 1-(5-(4-Aminophenoxy)pentyl)-1H-pyrrole-2,5-dione (CAS 100958-17-6)
- (4-Bromophenyl)-3-pyrrolidinyl-methanone (CAS 960402-27-1)
- 4-Chloro-6-ethyl-2-neopentylthieno[2,3-d]pyrimidine (CAS 1478889-41-6)
- 3-methyl-1,2,4-triazine (CAS 24108-33-6)
- 3-Amino-N-ethyl-N-(2-hydroxyethyl)propanamidehydrochloride (CAS 1220031-20-8)
- Poly(DL-3-hydroxybutyric acid) Mn ~500,000 (CAS 26744-04-7)
- Sildenafil Impurity 1 (CAS 42926-52-3)
- (2,7-Dimethyl-4-oxo-3,4-dihydroquinazolin-6-yl)methyl acetate (CAS 838858-86-9)
- 3-Ethoxy-N-(3-fluorobenzyl)propan-1-amine (CAS 1021033-90-8)
- Semaglutide impurity 41 (CAS CATO-C4X-222641)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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