4,5-Dibromo-2-(2-(4-chlorophenyl)-2-oxoethyl)pyridazin-3(2H)-one CAS 303987-66-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303987-66-8 |
| Molecular Formula | C12H7Br2ClN2O2 |
| Molecular Weight | 406.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4,5-Dibromo-2-(2-(4-chlorophenyl)-2-oxoethyl)pyridazin-3(2H)-one (CAS 303987-66-8) pharmaceutical standards reference standard. Molecular formula: C12H7Br2ClN2O2. Molecular weight: 406.46 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C12H7Br2ClN2O2 |
| Molecular Weight | 406.46 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
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- 1,3-Dibromo-2-iodo-5-nitrobenzene (CAS 98137-96-3)
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Recommended Standards
- 4,4',4''-(Methylsilanetriyl)tribenzoic acid (CAS 31825-52-2)
- N-{4-[(3-{imidazo[1,2-a]pyridin-2-yl}phenyl)sulfamoyl]phenyl}acetamide (CAS 537021-04-8)
- 3-Amino-N-(3,4-dimethoxyphenyl)-6-(pyridin-4-yl)thieno[2,3-b]pyridine-2-carboxamide (CAS 496019-31-9)
- 2-Bromo-1-(3-fluoro-4-hydroxyphenyl)ethan-1-one (CAS 252563-24-9)
- 2-(4-Acetylphenyl)-1,3-dioxoisoindoline-5-carboxylic acid (CAS 300405-47-4)
- 1,3,3-Trimethyl-7-oxabicyclo[4.1.0]heptane-2-carbonitrile (CAS 264279-20-1)
- N-(3-(2-bromoethoxy)phenyl)acetamide (CAS 741199-06-4)
- β-D-Allose (CAS 7283-09-2)
- 4,6-Dimethylpyrimidin-2-ol 2-methyl-1,4-dioxo-1,2,3,4-tetrahydronaphthalene-2-sulfonate (CAS 14451-99-1)
- D-Asp9-Tirzepatide (CAS CATO-CPTD788923)
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