6-(Bromomethyl)-2H-chromen-2-one CAS 50465-95-7
| CAS No. | 50465-95-7 |
| Molecular Formula | C10H7BrO2 |
| Molecular Weight | 239.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
6-(Bromomethyl)-2H-chromen-2-one (CAS 50465-95-7) is a high-purity analytical reference standard with the molecular formula C10H7BrO2 and a molecular weight of 239.07 g/mol.
Based on its molecular formula C10H7BrO2, 6-(Bromomethyl)-2H-chromen-2-one contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 239.07 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 6-(Bromomethyl)-2H-chromen-2-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C10H7BrO2 |
| Molecular Weight | 239.07 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.) | 1971 |
| Halogen Content | Br-containing |
Related Bromomethyl Standards
- 5-(Bromomethyl)-3-phenyl-1,2,4-oxadiazole (CAS 103499-27-0)
- 3-(Bromomethyl)-1,8-naphthyridin-2(1H)-one (CAS 1126424-61-0)
- 3-(4-(Bromomethyl)phenyl)-1,2,4-oxadiazole (CAS 1194753-61-1)
- 2-(2-(Bromomethyl)-1H-imidazol-1-yl)pyrimidine (CAS 1196157-34-2)
- 2-(4-(Bromomethyl)-1H-pyrazol-1-yl)pyrimidine (CAS 1196157-38-6)
- 2-(Bromomethyl)-5-phenyl-1,3,4-oxadiazole (CAS 26114-48-7)
- 3-(Bromomethyl)-5-phenyl-1,2,4-oxadiazole (CAS 835347-00-7)
- 4-(Bromomethyl)phthalazin-1(2H)-one (CAS 49546-86-3)
Recommended Standards
- 5-bromospiro[benzofuran-3,1'-cyclopropane]-2-one (CAS 2877674-01-4)
- 6-Amino-4-bromoquinolin-2(1H)-one (CAS 934687-43-1)
- 5-Bromo-7-methoxyquinoxaline (CAS 2149589-64-8)
- 6-Bromo-1H-indole-2-carboxamide (CAS 893731-58-3)
- Triphenyl((2-(trimethylsilyl)ethoxy)methyl)phosphonium chloride (CAS 82495-75-8)
- 3-Bromo-6-ethynyl-2,4-difluorobenzenamine (CAS 2219374-90-8)
- (2-(Azetidin-1-ylmethyl)phenyl)(3-chlorophenyl)methanone (CAS 898754-74-0)
- 1-(3,4-Dimethylphenyl)-6-mercapto-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 1105189-44-3)
- 2-(2-Fluorophenoxy)-N-(3-(furan-2-yl)-1-(2-hydroxyethyl)-1H-pyrazol-5-yl)acetamide (CAS 1219842-50-8)
- 1-(2,3-Dichloropropoxy)-2-methoxybenzene (CAS CATO-C3D-25976)
- 2-(3-(Benzyloxy)phenyl)-N-methylethan-1-amine (CAS 475086-52-3)
- Tert-butyl ((2-azabicyclo[2.2.2]Octan-6-yl)methyl)carbamate (CAS 1935986-09-6)
- Methyl 1-(4-methyl-6-phenylpyrimidin-2-yl)-5-pentyl-1H-1,2,3-triazole-4-carboxylate (CAS 866040-42-8)
- Semaglutide impurity 268 (CAS CATO-C4X-2226268)
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