2-(4-Bromophenyl)-6-methyl-4,5-dihydropyridazin-3(2H)-one CAS 99853-01-7
| CAS No. | 99853-01-7 |
| Molecular Formula | C11H11BrN2O |
| Molecular Weight | 267.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-(4-Bromophenyl)-6-methyl-4,5-dihydropyridazin-3(2H)-one (CAS 99853-01-7), a certified reference material (molecular formula C11H11BrN2O, MW 267.12 g/mol) for analytical method development and quality control.
Structurally, 2-(4-Bromophenyl)-6-methyl-4,5-dihydropyridazin-3(2H)-one (C11H11BrN2O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution. 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 267.12 g/mol, it falls into the medium-molecular-weight range. 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.
As a certified reference material (CRM), 2-(4-Bromophenyl)-6-methyl-4,5-dihydropyridazin-3(2H)-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 | C11H11BrN2O |
| Molecular Weight | 267.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromophenyl Standards
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Recommended Standards
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- 2-Benzyl-4-bromo-1-methyl-1H-pyrazol-3(2H)-one (CAS 51620-31-6)
- Ethyl 3,5-dibromo-1H-indole-2-carboxylate (CAS 77185-78-5)
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- (S)-1-Ethyl-5-phenylimidazolidine-2,4-dione (CAS 525599-55-7)
- 2,3,6-Tribromo-4-methoxy-5-nitropyridine (CAS 31872-70-5)
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- 17Α-Estradiol-16,16,17-D3 (CAS CATO-CCAD300789)
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- Peptide Impurity 41 (CAS CATO-CPTD788841)
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