7-(Bromomethyl)-2H-chromen-2-one CAS 53878-12-9
| CAS No. | 53878-12-9 |
| Molecular Formula | C21H20O10 |
| Molecular Weight | 432.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C21H20O10, 7-(Bromomethyl)-2H-chromen-2-one contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 432.38 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
7-(Bromomethyl)-2H-chromen-2-one (CAS 53878-12-9), molecular formula C21H20O10 and molecular weight 432.38 g/mol, is a CATO reference standard with documented purity and traceability.
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 7-(Bromomethyl)-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 | C21H20O10 |
| Molecular Weight | 432.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
Related Bromomethyl Standards
- 2-(Bromomethyl)-5-(difluoromethyl)-3-iodo-4-(trifluoromethoxy)pyridine (CAS 1804354-39-9)
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- 2-(Bromomethyl)-4-(difluoromethyl)-6-iodo-3-(trifluoromethoxy)pyridine (CAS 1804775-09-4)
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Recommended Standards
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- Apigenin 4'-O-β-D-glucopyranoside (CAS 20486-34-4)
- 2-Phthalimidolactosamine, Heptaacetate (Mixture of Isomers) (CAS 129647-37-6)
- (3-(3-Allylphenyl)propyl)triethoxysilane (CAS 1356114-60-7)
- 3-((4-Isopropylphenyl)amino)-1-(p-tolyl)propan-1-one (CAS 477334-26-2)
- (4-(Aminomethyl)-6-(difluoromethyl)-3-(trifluoromethyl)pyridin-2-yl)methanol (CAS 1361820-22-5)
- (R)-Methyl(phenyl)(piperidin-4-ylimino)-λ6-sulfanone (CAS 2662625-74-1)
- 2-Amino-N-(2-ethylphenyl)benzenesulfonamide (CAS 953716-87-5)
- 5-Chloro-1-(3,4-dichlorobenzyl)-N-(4-methoxyphenyl)-6-oxo-1,6-dihydropyridine-3-carboxamide (CAS 339023-93-7)
- N-benzylcyclopentanamine (CAS 15205-23-9)
- 4-Bromodibenzo[b,d]furan-1-yl trifluoromethanesulfonate (CAS 2247123-54-0)
- Des-Ser39-Tirzepatide (CAS CATO-CPTD788936)
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