4-(1-Chloroethyl)-3-fluoropyridine CAS 1016228-83-3
| CAS No. | 1016228-83-3 |
| Molecular Formula | C7H7ClFN |
| Molecular Weight | 159.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 159.59 g/mol gives 4-(1-Chloroethyl)-3-fluoropyridine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-(1-Chloroethyl)-3-fluoropyridine (CAS 1016228-83-3), molecular formula C7H7ClFN and molecular weight 159.59 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H7ClFN, 4-(1-Chloroethyl)-3-fluoropyridine 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 159.59 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).
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.
CATO manufactures 4-(1-Chloroethyl)-3-fluoropyridine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H7ClFN |
| Molecular Weight | 159.59 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.) | 1988 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloroethyl Standards
- 3-(2-Chloroethyl)-5-fluoropyridine (CAS 1249641-05-1)
- 2-(1-Chloroethyl)-3-fluoropyridine (CAS 1824538-00-2)
- 3-(2-Chloroethyl)-4,5-dimethylisoxazole (CAS 371932-99-9)
- 4-(2-Chloroethyl)-3,5-dimethyl-1,2-oxazole (CAS 79379-02-5)
- 5-(1-Chloroethyl)-3-ethylisoxazole (CAS 71495-00-6)
- 4-(2-Chloroethyl)-1-ethyl-1h-1,2,3-triazole (CAS 1457361-80-6)
- 1-(2-Chloroethyl)-3-methyl-1H-pyrazol-5-amine (CAS 55211-81-9)
- 2-(2-Chloroethyl)bicyclo[2.2.1]heptane (CAS 184030-99-7)
Recommended Standards
- 4-(Chloromethyl)-2-fluoro-6-methylpyridine (CAS 1006300-43-1)
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- 2-chloro-3-fluoro-N-methylaniline (CAS 1070892-67-9)
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- Dodecylcyclohexane (CAS 1795-17-1)
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- Fosaprepitant Impurity 13 (CAS CATO-C4X-116813)
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- 2-Bromotetrahydro-2H-pyran (CAS 6667-26-1)
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