4-Chloro-5-(dimethylamino)-2-(p-tolyl)pyridazin-3(2H)-one CAS 92829-34-0
| CAS No. | 92829-34-0 |
| Molecular Formula | C13H14ClN3O |
| Molecular Weight | 263.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-5-(dimethylamino)-2-(p-tolyl)pyridazin-3(2H)-one (CAS 92829-34-0) is a high-purity analytical reference standard with the molecular formula C13H14ClN3O and a molecular weight of 263.72 g/mol.
Structurally, 4-Chloro-5-(dimethylamino)-2-(p-tolyl)pyridazin-3(2H)-one (C13H14ClN3O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 263.72 g/mol, it falls into the medium-molecular-weight range. 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C13H14ClN3O |
| Molecular Weight | 263.72 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- 4-Hydroxyquinoline-5-carbonitrile (CAS 860204-83-7)
- (R)-Bicalutamide-d4 (CAS 1217826-87-3)
- Ethyl 2,5-dibromo-3,4-difluorophenylacetate (CAS 1805121-46-3)
- tert-butyl 6-(aminomethyl)-1,4-oxazepane-4-carboxylate (CAS 1268334-90-2)
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- 1-(2-Fluorophenyl)-3-((2-hydroxyethyl)thio)propan-2-one (CAS 1157149-13-7)
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