6-Chloro-7-methyl-4H-chromen-4-one CAS 67029-84-9
| CAS No. | 67029-84-9 |
| Molecular Formula | C10H7ClO2 |
| Molecular Weight | 194.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C10H7ClO2, 6-Chloro-7-methyl-4H-chromen-4-one contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 194.61 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 6-Chloro-7-methyl-4H-chromen-4-one (CAS 67029-84-9), a certified reference material (molecular formula C10H7ClO2, MW 194.61 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C10H7ClO2 |
| Molecular Weight | 194.61 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | Cl-containing |
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Recommended Standards
- 6-chloro-2-methyl-chromen-4-one (CAS 69693-00-1)
- 7-Chloro-4-methyl-2H-chromen-2-one (CAS 6596-48-1)
- 6-Chloro-2H-chromene-3-carbaldehyde (CAS 57544-34-0)
- Methyl 2-chloro-5-ethynylbenzoate (CAS 792912-10-8)
- 3-Cyclohexyl-5-methyl-1,2-oxazole-4-carboxylic acid (CAS 55278-64-3)
- Diethyl[(oxiran-2-yl)methyl]amine (CAS 2917-91-1)
- 4-Chloro-2,6-bis(trifluoromethyl)quinazoline (CAS 959237-98-0)
- n-(3,4-Dimethoxyphenyl)ethanethioamide (CAS 107963-01-9)
- (2-Methoxyphenyl)(2-((4-methylpiperazin-1-yl)methyl)phenyl)methanone (CAS 898782-76-8)
- 3-fluoro-2,6-dimethoxybenzoic acid (CAS 52189-67-0)
- tert-Butyl 3-((4-bromophenyl)sulfonyl)pyrrolidine-1-carboxylate (CAS 887587-67-9)
- 1-(2-Aminoethyl)cycloheptan-1-ol (CAS 1368921-32-7)
- (11,16-Dihydro-5H-6,10-(metheno)fluoreno[4,5-bcd][1,6]dioxacyclotridecine-16,16-diyl)bis(diphenylphosphine) (CAS 331768-74-2)
- Semaglutide impurity 267 (CAS CATO-C4X-2226267)
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