2-(3,4-Dichlorophenyl)-6-methyl-4,5-dihydropyridazin-3(2H)-one CAS 1046451-56-2
| CAS No. | 1046451-56-2 |
| Molecular Formula | C11H10Cl2N2O |
| Molecular Weight | 257.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C11H10Cl2N2O, 2-(3,4-Dichlorophenyl)-6-methyl-4,5-dihydropyridazin-3(2H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 257.12 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies 2-(3,4-Dichlorophenyl)-6-methyl-4,5-dihydropyridazin-3(2H)-one (CAS 1046451-56-2), a certified reference material (molecular formula C11H10Cl2N2O, MW 257.12 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2-(3,4-Dichlorophenyl)-6-methyl-4,5-dihydropyridazin-3(2H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H10Cl2N2O |
| Molecular Weight | 257.12 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.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Dichlorophenyl Standards
- [1-(3,4-Dichlorophenyl)-5-methyl-1H-pyrazol-3-yl]-methanol (CAS 1226303-27-0)
- 2-(5-(3,4-Dichlorophenyl)-1H-pyrazol-1-yl)ethanol (CAS 1710302-38-7)
- (R)-1-(2,4-dichlorophenyl)-2-(1H-imidazol-1-yl)ethan-1-ol (CAS 27656-21-9)
- 1-[(2,4-dichlorophenyl)methyl]-3-methyl-4,5-dihydro-1H-pyrazol-5-one (CAS 568557-48-2)
- 1-[(2,6-dichlorophenyl)methyl]-3-methyl-4,5-dihydro-1H-pyrazol-5-one (CAS 568557-47-1)
- 5-(3,5-Dichlorophenyl)-1-isopropyl-1H-tetrazole (CAS 303145-02-0)
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- (3,4-Dichlorophenyl)(5-methylfuran-2-yl)methanol (CAS 1250701-00-8)
Recommended Standards
- Ethyl 2-(3-bromophenyl)propanoate (CAS 103807-54-1)
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- methyl 3-(4-bromophenyl)butanoate (CAS 1021735-42-1)
- ethyl 2-(4-bromophenyl)propanoate (CAS 111914-79-5)
- 1-(9H-Fluoren-9-yl)ethanol (CAS 3023-49-2)
- 2-((Fluoroiodomethyl)sulfonyl)pyridine (CAS 1415115-02-4)
- 3-{[(4-bromophenyl)methyl]sulfanyl}-5-({[(4-chlorophenyl)methyl]sulfanyl}methyl)-4-ethyl-4H-1,2,4-triazole (CAS 344268-63-9)
- 2-(Pyridin-3-ylmethyl)benzonitrile (CAS 144061-52-9)
- 2-[(5-methyl-1h-pyrazol-1-yl)methyl]quinoline-4-carboxylic acid (CAS 956371-98-5)
- 4-(1,1-Diethoxyethyl)-2-thioxo-1,2-dihydropyrimidine-5-carboxylic acid (CAS 62328-11-4)
- Ethyl 2-(1,3-dithietan-2-ylidene)-3-oxobutanoate (CAS 120596-96-5)
- Indolin-5-ylmethanamine dihydrochloride (CAS 1242338-94-8)
- N-{3-cyano-4-[(4-methylphenyl)sulfanyl]phenyl}-2-methylbenzamide (CAS 306980-43-8)
- Insulin Degludec Impurity 17 (CAS CATO-C4X-215717)
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