5-Amino-2-(4-chlorophenyl)pyridazin-3(2H)-one CAS 84956-67-2
| CAS No. | 84956-67-2 |
| Molecular Formula | C10H8ClN3O |
| Molecular Weight | 221.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO supplies 5-Amino-2-(4-chlorophenyl)pyridazin-3(2H)-one (CAS 84956-67-2), a certified reference material (molecular formula C10H8ClN3O, MW 221.64 g/mol) for analytical method development and quality control.
5-Amino-2-(4-chlorophenyl)pyridazin-3(2H)-one (C10H8ClN3O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 5-Amino-2-(4-chlorophenyl)pyridazin-3(2H)-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C10H8ClN3O |
| Molecular Weight | 221.64 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1981 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Amino Standards
- 2-Amino-4-chloro-1-phenyl-1h-imidazole-5-carbaldehyde (CAS 1221723-37-0)
- 3-Amino-5-chloro-1-phenylpyrazin-2(1H)-one (CAS 1269528-56-4)
- 4-Amino-1-(3-chlorophenyl)pyrimidin-2(1H)-one (CAS 1416438-32-8)
- 2-Amino-5-chloro-6-phenylpyrimidin-4(3H)-one (CAS 72962-09-5)
- 2-Amino-6-(4-chlorophenyl)pyrimidin-4(3H)-one (CAS 98305-75-0)
- 3-Amino-5-chloro-1-phenyl-1H-pyrazole-4-carbaldehyde (CAS 62208-81-5)
- 4-Amino-5-(4-chlorophenyl)pyrimidin-2-ol (CAS 93484-97-0)
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Recommended Standards
- 5-(p-Tolyl)isoxazole-3-carbonyl chloride (CAS 88958-29-6)
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- 5-(6-Chloropyridin-3-yl)-4,6-diazaspiro[2.4]Hept-4-en-7-one (CAS 2168370-91-8)
- 5-chloro-2-methylquinoline-3-carboxylic acid (CAS 2060030-02-4)
- 3-(4-Chlorophenoxy)azetidine (CAS 753445-45-3)
- 1-(3,4-Dichlorophenyl)cyclopropanecarbonitrile (CAS 124276-57-9)
- Tripropyl phosphate (CAS 513-08-6)
- 1-(3-Ethylcyclopentyl)-3-methyl-1H-pyrazol-5(4H)-one (CAS 634586-05-3)
- 1-(4-Amino-5-nitropyrimidin-2-yl)-4-phenethylpiperidine-3,5-dione (CAS 1286697-63-9)
- (3-(Difluoromethoxy)cyclohexyl)methanamine (CAS 1781038-86-5)
- N-Methyl-3-nitrobenzylamine (CAS 19499-61-7)
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- 4-Methyl-2-[4-(trifluoromethoxy)phenyl]-1H-imidazole-5-carboxylic Acid (CAS 868851-36-9)
- [D-Ser8]-Semaglutide A (CAS CATO-C4X-2226116)
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