1-(4-Chloropyridin-2-yl)cyclopropane-1-carboxylic acid CAS 1060808-99-2
| CAS No. | 1060808-99-2 |
| Molecular Formula | C9H8ClNO2 |
| Molecular Weight | 197.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1-(4-Chloropyridin-2-yl)cyclopropane-1-carboxylic acid (CAS 1060808-99-2), molecular formula C9H8ClNO2 and molecular weight 197.62 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 1-(4-Chloropyridin-2-yl)cyclopropane-1-carboxylic acid (C9H8ClNO2) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C9H8ClNO2 |
| Molecular Weight | 197.62 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloropyridin Standards
- 1-(6-Chloropyridin-2-yl)cyclopropanecarboxylic acid (CAS 1060811-76-8)
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