7-chloro-6-fluoro-4-oxo-chromene-2-carboxylic acid CAS 863116-41-0
| CAS No. | 863116-41-0 |
| Molecular Formula | C10H12ClFO4 |
| Molecular Weight | 250.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 7-chloro-6-fluoro-4-oxo-chromene-2-carboxylic acid.
7-chloro-6-fluoro-4-oxo-chromene-2-carboxylic acid (CAS 863116-41-0), molecular formula C10H12ClFO4 and molecular weight 250.65 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H12ClFO4, 7-chloro-6-fluoro-4-oxo-chromene-2-carboxylic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 250.65 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 7-chloro-6-fluoro-4-oxo-chromene-2-carboxylic acid 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 | C10H12ClFO4 |
| Molecular Weight | 250.65 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| 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 |
Related chloro Standards
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Recommended Standards
- 6-chloro-7-fluoro-4-oxo-chromene-2-carboxylic acid (CAS 865451-02-1)
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- 6,7-dimethoxyisoquinoline (CAS 15248-39-2)
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