2-Chloro-4-ethynyl-5-fluoropyridine CAS 1211539-66-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1211539-66-0 |
| Molecular Formula | C7H3ClFN |
| Molecular Weight | 155.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-4-ethynyl-5-fluoropyridine (CAS 1211539-66-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H3ClFN. Molecular weight: 155.56 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H3ClFN |
| Molecular Weight | 155.56 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
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- 4-Amino-N-(2-methoxyphenyl)benzene-1-sulfonamide (CAS 19837-84-4)
- 5-(1-(4-Chlorophenoxy)ethyl)-N-ethyl-1H-pyrazole-1-carboxamide (CAS 241127-18-4)
- 5-((4-Formylphenoxy)methyl)furan-2-carboxylic acid (CAS 881041-09-4)
- 2-Bromo-3-(difluoromethyl)-5-hydroxyisonicotinonitrile (CAS 1806840-65-2)
- [Formaldehyde Schiff-base]-Semaglutide Impurity 136 X TFA Salt (CAS CATO-C4X-2226136)
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