Methyl 2-Chloro-3-fluoroisonicotinate CAS 628691-95-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 628691-95-2 |
| Molecular Formula | C7H5ClFNO2 |
| Molecular Weight | 189.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 2-Chloro-3-fluoroisonicotinate (CAS 628691-95-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H5ClFNO2. Molecular weight: 189.57 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H5ClFNO2 |
| Molecular Weight | 189.57 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, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 6-Chloro-7-fluoro-2,3-dihydro-[1,4]dioxino[2,3-b]pyridine (CAS 2407436-37-5)
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- 6-Amino-3-chloro-2-fluorobenzoic acid (CAS 874782-54-4)
- N-((5-iodopyridin-2-yl)carbamothioyl)benzamide (CAS 338748-94-0)
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- (1E)-1-Ethoxy-4,4,5,5,5-pentafluoropent-1-en-3-one (CAS 184783-32-2)
- 2-(Aminomethyl)-6-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxaldehyde (CAS 1806760-78-0)
- Methyl 4-(azepan-4-ylamino)-6-((5-cyanopyrazin-2-yl)amino)nicotinate (CAS 1137476-98-2)
- 2-Amino-1,5,6-trimethylimidazo [4,5-b] Pyridine (CAS 161091-55-0)
- Tirzepatide Impurity 25 X TFA Salt (CAS CATO-C4X-324025)
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