6-Bromo-2-phenyl-(4H)-4-benzopyranone CAS 1218-80-0
| CAS No. | 1218-80-0 |
| Molecular Formula | C15H9BrO2 |
| Molecular Weight | 301.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C15H9BrO2, 6-Bromo-2-phenyl-(4H)-4-benzopyranone contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 301.13 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).
6-Bromo-2-phenyl-(4H)-4-benzopyranone (CAS 1218-80-0) is a high-purity analytical reference standard with the molecular formula C15H9BrO2 and a molecular weight of 301.13 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 6-Bromo-2-phenyl-(4H)-4-benzopyranone 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 | C15H9BrO2 |
| Molecular Weight | 301.13 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Br-containing |
Related Bromo Standards
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Recommended Standards
- Ethyl 3-(2,6-dichlorobenzyl)-1,2,4-oxadiazole-5-carboxylate (CAS 1246056-08-5)
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- (1-(Phenylsulfonyl)-1H-indol-4-yl)boronic acid (CAS 1256358-55-0)
- (1-(Phenylsulfonyl)-1H-indol-7-yl)boronic acid (CAS 1256358-56-1)
- 4-Cyclopropoxy-1,2-diethylbenzene (CAS 1243468-70-3)
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- 2-Chloro-N-(1-(2,4-dichlorobenzyl)-1H-pyrazol-3-yl)acetamide (CAS 1004643-27-9)
- 1270965-07-5 5-Oxolenacil KS-00002WRD (CAS 1270965-07-5)
- 2-Chloro-n-[2-(pyridin-2-yl)ethyl]acetamide (CAS 73664-37-6)
- Diethyl 2-(2-(Benzyloxy)ethyl)malonate (CAS 41478-45-9)
- 1-Boc-3-(2-hydroxyethyl)azetidine (CAS 152537-03-6)
- N4,N4-dimethylpyrimidine-2,4-diamine (CAS 1005-26-1)
- 6-Chloro-3-methyl-3,4-dihydro-2h-1-benzothiopyran-4-one (CAS 199783-62-5)
- Insulin Degludec Impurity 12 (CAS CATO-C4X-215712)
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