4-(Chloromethyl)-6,7-dimethoxyisobenzofuran-1(3H)-one CAS 6518-91-8
| CAS No. | 6518-91-8 |
| Molecular Formula | C11H11ClO4 |
| Molecular Weight | 242.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-(Chloromethyl)-6,7-dimethoxyisobenzofuran-1(3H)-one is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 4-(Chloromethyl)-6,7-dimethoxyisobenzofuran-1(3H)-one (CAS 6518-91-8), a certified reference material (molecular formula C11H11ClO4, MW 242.66 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H11ClO4, 4-(Chloromethyl)-6,7-dimethoxyisobenzofuran-1(3H)-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 242.66 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 4-(Chloromethyl)-6,7-dimethoxyisobenzofuran-1(3H)-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 | C11H11ClO4 |
| Molecular Weight | 242.66 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 sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; 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.) | 1958 |
| Halogen Content | Cl-containing |
Related Chloromethyl Standards
- 2-(Chloromethyl)-1-(difluoromethoxy)naphthalene (CAS 1261469-98-0)
- 5-(chloromethyl)-3-[(4-fluorophenoxy)methyl]-1,2,4-oxadiazole (CAS 929975-09-7)
- 2-(Chloromethyl)-1-phenyl-1H-benzimidazole (CAS 94937-86-7)
- 2-[4-(Chloromethyl)phenyl]-1H-benzo[d]imidazole (CAS 88489-90-1)
- 3-(Chloromethyl)-2-phenylbenzofuran (CAS 4521-07-7)
- 7-(Chloromethyl)-3-phenylbenzofuran (CAS 58371-32-7)
- 1-(4-(Chloromethyl)-2-fluorophenyl)-4-methylpiperazine (CAS 1039868-29-5)
- 2-(chloromethyl)-5-(5-ethyl-4-methylthien-2-yl)-1,3,4-oxadiazole (CAS 796106-51-9)
Recommended Standards
- 4-(5-Chloro-2-nitrophenyl)morpholine (CAS 65976-63-8)
- 4-Chloro Kynurenine (CAS 75802-84-5)
- 4-(5-Chloro-2-hydroxy-4-methylphenyl)-4-oxobutanoic acid (CAS 62903-21-3)
- 4-chloro-2-nitro-N-propylbenzamide (CAS 333346-53-5)
- 2,5-Dimethylpiperidine-1-sulfonyl chloride (CAS 1465917-77-4)
- (S)-1-(2-bromo-4-fluorophenyl)ethan-1-amine (CAS 1228569-18-3)
- 2-(3-Fluorophenyl)-3-oxobutanenitrile (CAS 446-74-2)
- 5-(2,5-dichloro-3-pyridyl)-3-[3-(trifluoromethyl)phenyl]-1,2,4-oxadiazole (CAS 680216-83-5)
- 1-(1-Ethylpyrrolidin-2-yl)-N-(pyridin-3-ylmethyl)methanamine (CAS 726163-38-8)
- Cefuroxime Axetil Impurity 12 (CAS CATO-C4X-143612)
- Candesartan Cilexetil Impurity 21 (CAS CATO-C4X-123421)
- 1,3,5-Tris(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)benzene (CAS 916330-18-2)
- 4-((2-Chloro-3-phenylallylidene)amino)-3-(3-chlorophenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478254-94-3)
- Semaglutide Impurity 122 (CAS CATO-C4X-2226122)
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