3-Chloro-6'-(2,4-dichlorophenoxy)-5-(trifluoromethyl)-[2,3'-bipyridine]-5'-carbonitrile CAS 339011-79-9
| CAS No. | 339011-79-9 |
| Molecular Formula | C18H7Cl3F3N3O |
| Molecular Weight | 444.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3-Chloro-6'-(2,4-dichlorophenoxy)-5-(trifluoromethyl)-[2,3'-bipyridine]-5'-carbonitrile (CAS 339011-79-9), molecular formula C18H7Cl3F3N3O and molecular weight 444.62 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Chloro-6'-(2,4-dichlorophenoxy)-5-(trifluoromethyl)-[2,3'-bipyridine]-5'-carbonitrile (C18H7Cl3F3N3O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 444.62 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 3-Chloro-6'-(2,4-dichlorophenoxy)-5-(trifluoromethyl)-[2,3'-bipyridine]-5'-carbonitrile 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 | C18H7Cl3F3N3O |
| Molecular Weight | 444.62 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 4-Chloro-N-(4-chloro-phenyl)-N-(6-chloro-4-trifluoromethyl-pyridin-2-yl)-benzamidine (CAS 1311283-67-6)
- 3-Chloro-2-[(1E)-(2,4-dichlorophenyl)(2-phenylhydrazin-1-ylidene)methyl]-5-(trifluoromethyl)pyridine (CAS 306977-42-4)
- Methyl 2-(2-(2-chloro-4-(trifluoromethyl)pyrimidine-5-carbonyl)hydrazinyl)-4-(trifluoromethyl)pyrimidine-5-carboxylate (CAS 648427-12-7)
- 4-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-2-iodo-6-nitrophenol (CAS 1400872-24-3)
- Ethyl 4-(4-chloro-6-((2,4-dichlorobenzyl)amino)pyrimidin-2-yl)piperazine-1-carboxylate (CAS 1448166-05-9)
- 3-(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)-6-(pyrimidin-2-ylsulfanyl)-1,2,3,4-tetrahydropyrimidine-2,4-dione (CAS 321433-29-8)
- N-(1-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)-4-methylbenzenesulfonamide (CAS 338420-40-9)
- Ethyl 1-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-3-phenyl-1H-indole-2-carboxylate (CAS 338748-77-9)
Recommended Standards
- Bilastine Impurity 19 (CAS 202189-81-9)
- N-(4-Bromophenyl)-1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-1H-pyrrole-2-carboxamide (CAS 338956-49-3)
- Salbutamol Impurity 204 (CAS CATO-C4X-1176204)
- Racecadotril Impurity 22 (CAS CATO-C4X-110622)
- 5-Methoxy-1,2,3,4-tetrahydroisoquinolin-4-ol (CAS 110339-46-3)
- 4-(2-Aminoethyl)-3-(3-chlorophenyl)-5-oxo-2,5-dihydro-1H-pyrazole-1-carbothioamide sulfate (CAS 1177316-94-7)
- 3-(2-Methoxy-ethoxy)-azetidine (CAS 221198-11-4)
- 3-[2-(4-methoxy-6-methyl-pyrimidin-5-yl)ethynyl]morpholine (CAS 2523120-31-0)
- 3-Nitro-1H-pyrazole-5-carboxylic acid (CAS 925646-13-5)
- 5-Cyano-2,4-difluorobenzoic acid (CAS 1378788-81-8)
- 8-Hydroxyquinoxaline-2-carbaldehyde (CAS 394223-67-7)
- 3-(Boc-amino)-5-methylhexanoic Acid (CAS 138165-75-0)
- 3-Hydroxy-2-naphthonitrile (CAS 52449-77-1)
- Cholecystokinin Octapeptide (sulfated) (H-2060.0005) (CAS 25679-23-6)
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