4,5-Dichloro-2-(2,3,6-trichlorobenzyl)pyridazin-3(2H)-one CAS 303033-93-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303033-93-4 |
| Molecular Formula | C11H5Cl5N2O |
| Molecular Weight | 358.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4,5-Dichloro-2-(2,3,6-trichlorobenzyl)pyridazin-3(2H)-one (CAS 303033-93-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H5Cl5N2O. Molecular weight: 358.44 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H5Cl5N2O |
| Molecular Weight | 358.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Dichloro Standards
- 3,4-Dichloro-N-((5-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)methyl)aniline (CAS 956368-60-8)
- 2,6-Dichloro-N-((4-chlorophenyl)carbamoyl)-4-methylnicotinamide (CAS 286430-76-0)
- 6,8-dichloro-2-(5-chlorothiophen-2-yl)quinoline-4-carboxylic acid (CAS 897558-65-5)
- 2,2-Dichloro-N-(4-tosylphenyl)acetamide (CAS 339104-58-4)
- 2,3-Dichloro-4-(ethylsulfonyl)-N-phenylbenzamide (CAS 477867-82-6)
- 4,5-Dichloro-2-(2,6-difluoro-4-(trifluoromethyl)phenoxy)aniline (CAS 2244085-40-1)
- 1,3-Dichloro-6-(Trifluoromethyl)Phenanthren-9-Carboxylic Acid (CAS 38635-85-7)
- 2-[2,6-Dichloro-4-(trifluoromethyl)phenyl]-1,2-dihydrophthalazin-1-one (CAS 866048-84-2)
Recommended Standards
- 4-(Diethylamino)-6-(4-methoxyphenyl)-2-phenylpyrimidine-5-carbonitrile (CAS 338395-08-7)
- 8-Amino-N-(1,3,4-thiadiazol-2-yl)-3,4-dihydro-2H-1,4-ethanothieno[2,3-b][1,5]naphthyridine-7-carboxamide (CAS 889949-64-8)
- 4-((4-Amino-6-(2,3,5,6-tetramethylbenzyl)-1,3,5-triazin-2-yl)amino)benzonitrile (CAS 205381-66-4)
- 111625-30-0 2-(2-aminoethyldisulfanyl)ethanamine dihydrochloride (CAS 111625-30-0)
- 2-((6-Chloropyrazin-2-yl)oxy)acetic acid (CAS 1080650-29-8)
- 5-chloro-1-methyl-1H-indole-2-carboxylic acid (CAS 59908-47-3)
- 3-oxo-3-(3,4,5-trimethoxyphenyl)propanoic acid ethyl ester 3044-56-2 A820375 ethyl 3-oxidanylidene-3-(3,4,5-trimethoxyphenyl)propanoate (CAS 3044-56-2)
- Bifendate impurity 11 (CAS CATO-C4X-255511)
- 1-(2-Bromo-4-chlorophenyl)-2,2,2-trifluoroethan-1-one (CAS 1033805-23-0)
- D-β-Asp15-Tirzepatide (CAS CATO-CPTD788930)
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