3-Chloro-4-fluoro-2-methylpyridine CAS 1227580-35-9
| CAS No. | 1227580-35-9 |
| Molecular Formula | C6H5ClFN |
| Molecular Weight | 145.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Chloro-4-fluoro-2-methylpyridine (CAS 1227580-35-9), a certified reference material (molecular formula C6H5ClFN, MW 145.56 g/mol) for analytical method development and quality control.
Based on its molecular formula C6H5ClFN, 3-Chloro-4-fluoro-2-methylpyridine contains a nitrile group, fluorine/chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 145.56 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 3-Chloro-4-fluoro-2-methylpyridine 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 | C6H5ClFN |
| Molecular Weight | 145.56 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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.) | 1990 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 2-Chloro-6-(fluoromethyl)pyridine (CAS 1026279-55-9)
- 3-Chloro-2-fluoro-5-methylpyridine (CAS 1031929-23-3)
- 4-Chloro-3-fluoro-2-methylpyridine (CAS 1195251-01-4)
- 5-Chloro-3-fluoro-2-methylpyridine (CAS 1210868-68-0)
- 3-Chloro-6-fluoro-2-methylpyridine (CAS 1214342-64-9)
- 3-Chloro-2-fluoro-4-methylpyridine (CAS 1214377-89-5)
- 4-Chloro-2-fluoro-6-methylpyridine (CAS 1227509-42-3)
- 2-Chloro-4-fluoro-5-methylpyridine (CAS 1227574-24-4)
Recommended Standards
- 2-Chloro-4-fluoro-6-methylpyridine (CAS 1227580-32-6)
- 4-Chloro-2-fluoro-3-methylpyridine (CAS 1227598-39-1)
- 3-Chloro-2-fluoro-6-methylpyridine (CAS 1227574-35-7)
- 6-Chloro-2-fluoro-3-methylpyridine (CAS 1227598-47-1)
- (E)-4-((morpholinoimino)methyl)-5-(trifluoromethyl)-1,2-dihydro-3H-pyrazol-3-one (CAS 240115-95-1)
- 2-Bromo-5-methylbenzoyl chloride (CAS 409110-31-2)
- 2-((2,4,5-Trichlorophenyl)carbamoyl)benzoic acid (CAS 19356-90-2)
- 3-Oxa-1-azaspiro[4.5]decane-2,4-dione (CAS 3253-43-8)
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