1-(5-Chlorobenzofuran-2-yl)butan-1-one CAS 55877-56-0
| CAS No. | 55877-56-0 |
| Molecular Formula | C12H11ClO2 |
| Molecular Weight | 222.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-(5-Chlorobenzofuran-2-yl)butan-1-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.
1-(5-Chlorobenzofuran-2-yl)butan-1-one (CAS 55877-56-0), molecular formula C12H11ClO2 and molecular weight 222.67 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-(5-Chlorobenzofuran-2-yl)butan-1-one (C12H11ClO2) 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 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 222.67 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 1-(5-Chlorobenzofuran-2-yl)butan-1-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.) | 1972 |
| Halogen Content | Cl-containing |
Related Chlorobenzofuran Standards
- 1-(5-Chlorobenzofuran-2-yl)-2-methylpropan-1-one (CAS 1152517-85-5)
- 1-(7-Chlorobenzofuran-2-yl)-2-methylpropan-1-one (CAS 1467372-04-8)
- 1-(5-Chlorobenzofuran-2-yl)-2-methylpropan-1-amine (CAS 1152526-59-4)
- 1-(5-Chlorobenzofuran-2-yl)butan-1-amine (CAS 1270570-89-2)
- 1-(7-Chlorobenzofuran-2-yl)-2-methylpropan-1-amine (CAS 1483827-59-3)
- Methyl 2-(5-chlorobenzofuran-2-yl)acetate (CAS 1005328-52-8)
- Ethyl 4-chlorobenzofuran-2-carboxylate (CAS 1383842-58-7)
- 2-(5-Chlorobenzofuran-2-yl)propanoic acid (CAS 1541056-66-9)
Recommended Standards
- 1-(4-Chlorophenyl)-5-methoxy-3-methyl-1h-pyrazole (CAS 55227-85-5)
- 1-(6-Chloropyrimidin-4-yl)piperidine-4-carbonitrile (CAS 945896-87-7)
- 1-(4-Chlorophenyl)-5-(propan-2-yl)-1H-1,2,3,4-tetrazole (CAS 303145-09-7)
- 1-Chloro-2,4-dimethoxynaphthalene (CAS 26693-48-1)
- 1-(6-(Benzylamino)-4-methylpyridin-3-yl)propan-1-one (CAS 1355178-79-8)
- 1-(4-Methylphenoxymethyl)-1h-pyrazole-3-carboxylic acid (CAS 1006442-36-9)
- 1-(3-Aminopropyl)piperidin-4-ol dihydrochloride (CAS 1193387-37-9)
- Lurasidone Impurity 53 HCl (CAS 1318074-27-9（free base）)
- Benzyl (2-methylpent-4-en-2-yl)carbamate (CAS 246155-31-7)
- 3-Iodo-1H-pyrrolo[3,2-b]pyridine-5-carboxylic acid (CAS 1190311-30-8)
- 2-((1,2,3,5,6,7-Hexahydropyrido[3,2,1-ij]quinolin-9-yl)methylene)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one (CAS 80867-05-6)
- Methyl 4-(phenylcarbamoyl)benzoate (CAS 3814-10-6)
- Gadoteridol impurity 38 (CAS CATO-C4X-225738)
- Lixisenatide (CAS 320367-13-3（free base）)
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