3,6-Dibromo-2-chloro-4-(difluoromethyl)pyridine CAS 1805282-41-0
| CAS No. | 1805282-41-0 |
| Molecular Formula | C6H2Br2ClF2N |
| Molecular Weight | 321.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrile group, fluorine/chlorine/bromine substitution, an aromatic ring system, 3,6-Dibromo-2-chloro-4-(difluoromethyl)pyridine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 321.34 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies 3,6-Dibromo-2-chloro-4-(difluoromethyl)pyridine (CAS 1805282-41-0), a certified reference material (molecular formula C6H2Br2ClF2N, MW 321.34 g/mol) for analytical method development and quality control.
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.
As a certified reference material (CRM), 3,6-Dibromo-2-chloro-4-(difluoromethyl)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 | C6H2Br2ClF2N |
| Molecular Weight | 321.34 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 |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| 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.) | 1995 |
| Halogen Content | F/Cl/Br-containing |
| Nitrogen Atoms | 1 |
Related Dibromo Standards
- 4,5-Dibromo-2-chloro-3-(difluoromethyl)pyridine (CAS 1804697-97-9)
- 3,4-Dibromo-2-chloro-5-(difluoromethyl)pyridine (CAS 1805041-34-2)
- 3,4-Dibromo-2-chloro-6-(difluoromethyl)pyridine (CAS 1805282-47-6)
- 3,5-Dibromo-2-chloro-6-(difluoromethyl)pyridine (CAS 1805282-54-5)
- 2,6-Dibromo-4-chloro-3,5-difluoroaniline (CAS 2143028-36-6)
- 6,8-Dibromo-4-chloroquinoline (CAS 1247438-27-2)
- 5,8-Dibromo-4-chloroquinoline (CAS 1249332-13-5)
- 4,6-Dibromo-1-chloroisoquinoline (CAS 1254514-17-4)
Recommended Standards
- 1-Benzyl-4-(4-(trifluoromethyl)-pyridin-2-yl)piperazine (CAS 1779123-48-6)
- (E)-N'-Butyl-N-[3-(trifluoromethyl)phenyl]pyridine-3-carboximidamide (CAS 338420-51-2)
- 1-Benzyl-4-(6-(trifluoromethyl)-pyridin-3-yl)piperazine (CAS 1779122-84-7)
- 1-(4-Amino-1,2,5-oxadiazol-3-yl)-5-((cyclohexyl(methyl)amino)methyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 898097-57-9)
- 3-(2,3-Dihydro-1,4-benzodioxin-6-ylmethylene)-1,3-dihydro-2H-indol-2-one (CAS 170566-13-9)
- 1-(6-Fluoro-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indol-1-yl)-2,2-dimethylpropan-1-one (CAS 2376879-99-9)
- Methyl 5-(4-(trifluoromethoxy)phenyl)thiophene-2-carboxylate (CAS 1261530-65-7)
- 4-(2-Bromophenyl)-2,6-dimethyl-3,5-pyridinedicarboxylic Acid-d10 Diethyl Ester (CAS 1329793-25-0)
- 1-(2-(3-Bromophenoxy)ethyl)piperidin-4-ol (CAS 1182071-21-1)
- 3-Cyclopropoxy-4-(difluoromethoxy)benzoic acid (CAS 672883-89-5)
- 7H,14H-Pyrazino[1,2-b:4,5-b]diindazole-7,14-dione (CAS 115660-68-9)
- Diethyl 2-((6-bromo-2-chloroquinolin-3-yl)methylene)malonate (CAS 1031928-81-0)
- 4-Methyl-2-(piperidin-4-yl)pyrimidine-5-carboxamide dihydrochloride (CAS 1361116-31-5)
- Semaglutide-d5 (CAS CATO-C4X-2226153)
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