2-Chloro-4-methoxy-3-(trifluoromethyl)pyridine CAS 1163693-02-4
| CAS No. | 1163693-02-4 |
| Molecular Formula | C7H5ClF3NO |
| Molecular Weight | 211.57 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.
2-Chloro-4-methoxy-3-(trifluoromethyl)pyridine (CAS 1163693-02-4), molecular formula C7H5ClF3NO and molecular weight 211.57 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H5ClF3NO, 2-Chloro-4-methoxy-3-(trifluoromethyl)pyridine contains an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 211.57 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 2-Chloro-4-methoxy-3-(trifluoromethyl)pyridine 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 | C7H5ClF3NO |
| Molecular Weight | 211.57 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 6-Chloro-N-methyl-2-(trifluoromethyl)pyrimidin-4-amine (CAS 1023813-53-7)
- (3-Chloro-5-(trifluoromethyl)pyridin-2-yl)methanol (CAS 1033463-31-8)
- (6-Chloro-5-(trifluoromethyl)pyridin-3-yl)methanol (CAS 1113049-91-4)
- 6-Chloro-5-(trifluoromethyl)pyridine-2,3-diamine (CAS 114087-45-5)
- 2-Chloro-6-methoxy-4-(trifluoromethyl)pyridine (CAS 1160994-99-9)
- (2-Chloro-6-trifluoromethyl-pyridin-4-yl)-methanol (CAS 1196157-41-1)
- 2-Chloro-4-methoxy-6-(trifluoromethyl)pyridine (CAS 1211539-69-3)
- 2-Chloro-3-methoxy-4-(trifluoromethyl)pyridine (CAS 1211588-85-0)
Recommended Standards
- 3-(Chloromethyl)-5-(trifluoromethoxy)pyridine (CAS 1060815-05-5)
- 3-Chloro-2-methoxy-6-(trifluoromethyl)pyridine (CAS 1214323-05-3)
- 2-(Chloromethyl)-5-(trifluoromethoxy)pyridine (CAS 1060814-93-8)
- 2-Chloro-3-methoxy-6-(trifluoromethyl)pyridine (CAS 1214348-47-6)
- N-(2-Hydroxyethyl)tetracosanamide (CAS 10015-68-6)
- N-phenyl-4-(5-(trifluoromethyl)pyridin-2-yl)piperazine-1-carbothioamide (CAS 951930-15-7)
- 1-(3-Aminophenyl)butan-1-one (CAS 2034-41-5)
- 1-(Aminomethyl)cyclopropane-1-carboxamide hydrochloride (CAS 1956355-13-7)
- N-Methoxy-N-methyl-1,3-benzodioxole-5-acetamide (CAS 153277-41-9)
- N-(3-aminophenyl)adamantane-1-carboxamide (CAS 340974-16-5)
- 6-Fluoro-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole (CAS 1256358-98-1)
- 2-(Chloromethyl)-3-(difluoromethyl)pyridine-4-acetonitrile (CAS 1805304-13-5)
- trans-3-(methylamino)cyclobutan-1-ol hydrochloride (CAS 1408076-19-6)
- Semaglutide impurity 29 (CAS 110990-08-4)
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