4-(Chloromethyl)-5,7-dimethyl-2H-chromen-2-one CAS 41295-58-3
| CAS No. | 41295-58-3 |
| Molecular Formula | C12H11ClO2 |
| Molecular Weight | 222.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Chloromethyl)-5,7-dimethyl-2H-chromen-2-one (CAS 41295-58-3), molecular formula C12H11ClO2 and molecular weight 222.67 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system, 4-(Chloromethyl)-5,7-dimethyl-2H-chromen-2-one is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 222.67 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 4-(Chloromethyl)-5,7-dimethyl-2H-chromen-2-one 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 | C12H11ClO2 |
| Molecular Weight | 222.67 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.) | 1968 |
| Halogen Content | Cl-containing |
Related Chloromethyl Standards
- 5-(Chloromethyl)-3-(1-phenylethyl)-1,2,4-oxadiazole (CAS 1021436-49-6)
- 3-(chloromethyl)-5-[(2-methylphenyl)methyl]-1,2,4-oxadiazole (CAS 1092280-36-8)
- 5-(Chloromethyl)-1-(2,6-dimethylphenyl)-1h-1,2,3,4-tetrazole (CAS 1094328-52-5)
- 2-(chloromethyl)-5-[(2-methylphenyl)methyl]-1,3,4-oxadiazole (CAS 1094697-61-6)
- 3-(Chloromethyl)-5-(2-phenylethyl)-1,2,4-oxadiazole (CAS 1152498-72-0)
- 5-(chloromethyl)-3-[(2-methylphenyl)methyl]-1,2,4-oxadiazole (CAS 1247572-99-1)
- 5-(chloromethyl)-3-(2-phenylethyl)-1,2,4-oxadiazole (CAS 1247725-97-8)
- 5-(Chloromethyl)-1-(2-phenylethyl)-1h-1,2,3,4-tetrazole (CAS 1340222-64-1)
Recommended Standards
- 4-(6-Chloropyridin-3-yl)tetrahydro-2H-pyran-4-carbonitrile (CAS 935279-87-1)
- 4-(Chloromethyl)-6-ethyl-2H-chromen-2-one (CAS 637751-75-8)
- 4-(4-Chlorophenoxy)-3,5-dimethyl-1H-pyrazole (CAS 562817-22-5)
- 4-(Chloromethyl)-7,8-dimethyl-2H-chromen-2-one (CAS 41295-57-2)
- 9,9',10,10'-Tetraphenyl-2,2'-bianthracene (CAS 172285-72-2)
- 1,12-Bis[4-methyl-5-(2-hydroxyethyl)thiazol-3-ium-3-yl]dodecanedibromide (CAS 321915-72-4)
- (R)-1-(2-chloro-5-(trifluoromethyl)phenyl)-2-methoxyethan-1-amine (CAS 1270127-76-8)
- 2-Hydroxypropyl Ricinoleate (CAS 142-56-3)
- [S(R)]-N-[(1S)-1-[2-((tert-Butyldiphenylsilyl)oxy)phenyl)]-2-yl-2-(diphenylphosphino)ethyl]-2-methyl-2-propanesulfinamide (CAS 1803239-59-9)
- Tipiracil Impurity 8 (CAS 18592-13-7)
- 2,7-Dibromoimidazo[1,2-a]pyridine (CAS 1782895-02-6)
- 4-(tert-Butyl)-2-phenylpyridine (CAS 53911-36-7)
- (6-Iodobenzofuran-3-yl)methanol (CAS 1255099-73-0)
- Semaglutide impurity 94 (CAS CATO-C4X-222694)
Why CATO?
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