6-([1,1'-Biphenyl]-4-yl)-4-methylpyridazin-3(2H)-one CAS 21004-63-7
| CAS No. | 21004-63-7 |
| Molecular Formula | C17H14N2O |
| Molecular Weight | 262.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
6-([1,1'-Biphenyl]-4-yl)-4-methylpyridazin-3(2H)-one (CAS 21004-63-7), molecular formula C17H14N2O and molecular weight 262.31 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H14N2O, 6-([1,1'-Biphenyl]-4-yl)-4-methylpyridazin-3(2H)-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 262.31 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C17H14N2O |
| Molecular Weight | 262.31 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 5,5'-(1,4-Phenylene)bis(pyridin-2-amine) (CAS 2375582-48-0)
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- 5,11-Dimethyl-6H-pyrido[4,3-b]carbazol-9-ol (CAS 51131-85-2)
- 6-Methyl-2,3-diphenylpyrimidin-4(3H)-one (CAS 80306-50-9)
- tert-butyl 4-bromo-3-methylpiperidine-1-carboxylate (CAS 1281712-14-8)
- 1-[(5-ethyl-1,2,4-oxadiazol-3-yl)methyl]piperidin-3-amine (CAS 1248149-80-5)
- 2-(Ethoxycarbonyl)cyclohexanecarboxylic acid (CAS 67805-22-5)
- 3-[(1,1-dioxo-1$l^{6},2-benzothiazol-3-yl)amino]butanoic acid (CAS 1094565-75-9)
- 2,2,3,3-Tetramethylbutane-1,4-diamine (CAS 725682-10-0)
- 2,4-Dibutoxy-1-chlorobenzene (CAS 194083-31-3)
- (R)-2-amino-2-(3,5-bis(trifluoromethyl)phenyl)ethan-1-ol (CAS 1213848-30-6)
- Maxacalcitol Impurity 2 (CAS 192573-33-4)
- Amoxicillin EP impurity B (CAS 26889-93-0)
- Palmitoyl Hexapeptide-12 (CAS 171263-26-6)
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