4,5-Dichloro-2-(1,1-dibromo-2-(4-chlorophenyl)-2-oxoethyl)pyridazin-3(2H)-one CAS 320423-93-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 320423-93-6 |
| Molecular Formula | C12H5Br2Cl3N2O2 |
| Molecular Weight | 475.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5-Dichloro-2-(1,1-dibromo-2-(4-chlorophenyl)-2-oxoethyl)pyridazin-3(2H)-one (CAS 320423-93-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H5Br2Cl3N2O2. Molecular weight: 475.35 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C12H5Br2Cl3N2O2 |
| Molecular Weight | 475.35 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 |
Related Dichloro Standards
- 2,2'-(2,2'-Dichloro-[1,1'-biphenyl]-3,3'-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) (CAS 2248640-53-9)
- 2,3-Dichloro-N-(5,6-dimethyl-1-(3-methylbenzyl)-1H-benzo[d]imidazol-4-yl)benzenesulfonamide (CAS 338423-40-8)
- 2,4-Dichloro-N-(5,6-dimethyl-1-(2-methylbenzyl)-1H-benzo[d]imidazol-4-yl)benzenesulfonamide (CAS 338954-84-0)
- 2,4-Dichloro-N-{5,6-dimethyl-1-[(3-methylphenyl)methyl]-1H-1,3-benzodiazol-4-yl}benzene-1-sulfonamide (CAS 338423-46-4)
- 2,5-Dichloro-N-(5,6-dimethyl-1-(2-methylbenzyl)-1H-benzo[d]imidazol-4-yl)benzenesulfonamide (CAS 338954-81-7)
- 2,5-Dichloro-N-(5,6-dimethyl-1-(4-methylbenzyl)-1H-benzo[d]imidazol-4-yl)benzenesulfonamide (CAS 338422-97-2)
- 2,5-Dichloro-N-{5,6-dimethyl-1-[(3-methylphenyl)methyl]-1H-1,3-benzodiazol-4-yl}benzene-1-sulfonamide (CAS 338423-39-5)
- 3,4-Dichloro-N-(5,6-dimethyl-1-(2-methylbenzyl)-1H-benzo[d]imidazol-4-yl)benzenesulfonamide (CAS 338954-83-9)
Recommended Standards
- (2R,3R,4R,5R)-4-hydroxy-2-(2-iSobutyramido-6-oxo-1H-purin-9(6H)-yl)-5-((phosphonooxy)methyl)tetrahydrofuran-3-yl acetate (CAS 61561-83-9)
- Vandetanib (CAS 443913-73-3)
- 1-(3,4-Dichlorophenyl)-3-(4-fluorophenyl)-5-(2,3,4-trimethoxyphenyl)-4,5-dihydro-1H-pyrazole (CAS 329778-82-7)
- Di-tert-butyl 2-amino-4,5-dihydrothieno[2,3-c]pyridine-3,6(7H)-dicarboxylate (CAS 474843-69-1)
- 1-(Chloro(phenyl)methyl)-4-(trifluoromethyl)benzene (CAS 787-49-5)
- 2-(2,3,3-Trimethylbicyclo[2.2.1]hept-2-yl)phenolDISCONTINUED (CAS 66405-95-6)
- 5-Bromo-N,N,4,6-tetramethylpyridin-2-amine (CAS 627098-10-6)
- 2-Amino-6-(trifluoromethyl)isonicotinaldehyde (CAS 1227603-52-2)
- 3-Methoxy-6-methylpyridazine (CAS 17644-83-6)
- Semaglutide Impurity 143 (CAS CATO-C4X-2226143)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com