7-chloro-4-oxo-chromene-2-carboxylic acid CAS 114741-22-9
| CAS No. | 114741-22-9 |
| Molecular Formula | C10H13ClO4 |
| Molecular Weight | 232.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 232.66 g/mol gives 7-chloro-4-oxo-chromene-2-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 7-chloro-4-oxo-chromene-2-carboxylic acid (CAS 114741-22-9), a certified reference material (molecular formula C10H13ClO4, MW 232.66 g/mol) for analytical method development and quality control.
Structurally, 7-chloro-4-oxo-chromene-2-carboxylic acid (C10H13ClO4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 232.66 g/mol, it falls into the medium-molecular-weight range. 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).
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-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 | C10H13ClO4 |
| Molecular Weight | 232.66 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| 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.) | 1989 |
| Halogen Content | Cl-containing |
Related chloro Standards
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Recommended Standards
- (E)-1-(4-Chlorophenyl)-3-(furan-2-yl)prop-2-en-1-one (CAS 114570-70-6)
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- (E)-3-(4-Chlorophenyl)-1-(furan-2-yl)prop-2-en-1-one (CAS 111042-59-2)
- (2E)-1-(2-Chlorophenyl)-3-(furan-2-yl)prop-2-en-1-one (CAS 1220995-32-3)
- 4-(Pyridin-4-yl)butan-2-ol (CAS 179923-04-7)
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- 4-Bromo-N,N,N-trimethylbutan-1-aminium bromide (CAS 6875-49-6)
- 4,5-dibromo-N-(2,2-diethoxyethyl)-1H-pyrrole-2-carboxamide (CAS 1461713-43-8)
- 6-Methoxy-1,2,3,4-tetrahydroquinolin-4-ol (CAS 937691-90-2)
- 4-Bromo-2-methylquinoline-6-carboxylic acid (CAS 1261733-60-1)
- 7-Methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one (CAS 95211-71-5)
- 1-(4-Chlorophenyl)-N-(3,4-dichlorophenyl)-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxamide (CAS 861212-23-9)
- tert-Butyl (1R,3R)-1-((tert-butylsulfinyl)amino)-3-fluoro-8-azaspiro[4.5]decane-8-carboxylate (CAS 2409579-73-1)
- Polyphemusin II-Derived Peptide (CAS 229030-20-0)
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