4-Chloro-3-(difluoromethyl)pyridine CAS 947371-37-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 947371-37-1 |
| Molecular Formula | C6H4ClF2N |
| Molecular Weight | 163.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-3-(difluoromethyl)pyridine (CAS 947371-37-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H4ClF2N. Molecular weight: 163.55 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H4ClF2N |
| Molecular Weight | 163.55 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 |
| 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.) | 1987 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 2-Chloro-6-(difluoromethyl)pyridine (CAS 1026587-36-9)
- 4-Chloro-2-(difluoromethyl)pyridine (CAS 1193104-11-8)
- 3-Chloro-5-(difluoromethyl)pyridine (CAS 1335055-92-9)
- 6-Chloro-2,3-difluoroaniline (CAS 1373920-77-4)
- 5-Chloro-2-(difluoromethyl)pyridine (CAS 1374659-32-1)
- 3-Chloro-4-(difluoromethyl)pyridine (CAS 1374659-44-5)
- 4-Chloro-3,5-difluoro-2-methylpyridine (CAS 139161-94-7)
- 3-Chloro-4,5-difluoroaniline (CAS 149144-05-8)
Recommended Standards
- 4-Chloro-2,6-difluoroaniline (CAS 69411-06-9)
- 4-Chloro-3,5-difluoroaniline (CAS 2613-33-4)
- 4-Chloro-2,5-difluoroaniline (CAS 2613-30-1)
- 5-Bromo-4-chloro-N,N-diethylpyrimidin-2-amine (CAS 57054-89-4)
- Acetic acid-1-<SUP>13</SUP>C (CAS 1563-79-7)
- 3,4-Dibromo-5-fluorophenacyl chloride (CAS 1803837-84-4)
- 3-Iodo-1H-pyrrolo[2,3-c]pyridine-4-carboxylic acid (CAS 1190320-30-9)
- (E)-[(4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}phenyl)methylidene][(3-methoxyphenyl)methoxy]amine (CAS 1092343-82-2)
- N-(2-Chloro-4-fluorophenyl)-2-{[3-cyano-4-(trifluoromethyl)-5H,6H,7H,8H,9H-cyclohepta[b]pyridin-2-yl]sulfanyl}acetamide (CAS 626227-45-0)
- Semaglutide Impurity 133 (CAS CATO-C4X-2226133)
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