5-Chloro-2-(3,4-dichlorophenyl)-4-methoxypyridazin-3(2H)-one CAS 478080-44-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 478080-44-3 |
| Molecular Formula | C11H7Cl3N2O2 |
| Molecular Weight | 305.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Chloro-2-(3,4-dichlorophenyl)-4-methoxypyridazin-3(2H)-one (CAS 478080-44-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H7Cl3N2O2. Molecular weight: 305.54 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H7Cl3N2O2 |
| Molecular Weight | 305.54 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, 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 4-Chloro-2-(3,4-dichlorophenyl)-5-methoxy-2,3-dihydropyridazin-3-one (CAS 478080-45-4)
- 7-Chloro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoquinolin-1(2H)-one (CAS 2818961-96-3)
- 8-Chloro-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinolin-2(1H)-one (CAS 2818961-75-8)
- 5-chloro-2-fluoro-3-iodopyrazolo[1,5-a]pyrimidine (CAS 1638771-79-5)
- 7-Chloro-6-iodoquinolin-4(1h)-one (CAS 1021913-03-0)
- 2-Chloro-5-iodoquinazolin-4-amine (CAS 1107694-85-8)
- 2-Chloro-8-iodoquinazolin-4-amine (CAS 1107694-87-0)
- 2-Chloro-6-iodoquinazolin-4-amine (CAS 1107694-88-1)
Recommended Standards
- 5-(2,4,6-Trichlorophenoxymethyl)furan-2-carbaldehyde (CAS 438220-07-6)
- 6-((2,4,5-Trichlorobenzyl)oxy)pyridazin-3(2H)-one (CAS 87426-06-0)
- Triclosan Impurity 4 (CAS 546127-65-5)
- 2-(Benzyloxycarbonylamino)-2-deoxy-D-glucose, 98% (CAS 16684-31-4)
- 2,6-Di-tert-butyl-4-ethynylphenol (CAS 36384-85-7)
- Ranolazine Impurity 6 (CAS 93-14-1)
- 1-(2-Ethoxy-2-oxoethyl)pyridin-1-ium chloride (CAS 27032-03-7)
- 3-Bromo-8-chloro-2-methylquinolin-4-ol (CAS 1333252-07-5)
- 1-(4-Ethoxybenzoyl)-4-{[3-(3-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}piperidine (CAS 1775493-45-2)
- FMRF-Like Neuropeptide (CAS 121801-61-4)
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