4-(6-Oxo-1,6-dihydropyridazin-3-yl)benzoic acid CAS 249292-44-2
| CAS No. | 249292-44-2 |
| Molecular Formula | C11H8N2O3 |
| Molecular Weight | 216.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-(6-Oxo-1,6-dihydropyridazin-3-yl)benzoic acid.
4-(6-Oxo-1,6-dihydropyridazin-3-yl)benzoic acid (CAS 249292-44-2) is a high-purity analytical reference standard with the molecular formula C11H8N2O3 and a molecular weight of 216.19 g/mol.
4-(6-Oxo-1,6-dihydropyridazin-3-yl)benzoic acid (C11H8N2O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
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 | C11H8N2O3 |
| Molecular Weight | 216.19 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related Oxo Standards
- 3-(6-Oxo-1,6-dihydropyridazin-3-yl)benzoic acid (CAS 1087379-58-5)
- 2-(6-Oxo-1,6-dihydropyridazin-3-yl)-2-phenylacetonitrile (CAS 338753-08-5)
- 1-(6-Oxo-1,6-dihydropyridazin-3-yl)piperidine-4-carboxylic acid (CAS 919536-50-8)
- 3-(6-Oxo-1,6-dihydropyridazin-3-yl)benzonitrile (CAS 52240-08-1)
- 2-(6-oxo-1,6-dihydropyridazin-3-yl)benzonitrile (CAS CATO-C3D-262309)
- 4-(6-Oxo-1,6-dihydropyridazin-1-yl)butanoic acid (CAS 346407-15-6)
- 2-(6-Oxo-1,6-dihydropyridazin-1-yl)-N-(1-phenylethyl)acetamide (CAS 1208869-62-8)
- 2-phenyl-2,3-dihydropyridazin-3-one (CAS 14135-63-8)
Recommended Standards
- 4-(5-Oxo-4,5-dihydropyrazin-2-yl)benzoic acid (CAS 98377-47-0)
- 4-benzoyl-1H-imidazole-5-carboxylic acid (CAS 313968-01-3)
- 4-(5-Hydroxypyrimidin-2-yl)benzoic acid (CAS 2056921-34-5)
- 4-Cyano-2-methyl-5-(1h-pyrrol-1-yl)furan-3-carboxylic acid (CAS 851116-60-4)
- 6,7-Dihydro-5H-cyclopenta[c]pyridine-4-carbaldehyde (CAS 1368343-79-6)
- Methyl (E)-3-(4-ethylphenyl)-2-propenoate (CAS 114498-64-5)
- 2-(Piperazin-1-yl)-N-(pyridin-2-yl)acetamide trihydrochloride dihydrate (CAS 496808-07-2)
- 2-(Dimethylamino)-2-(pyridin-4-yl)acetic acid (CAS 1007912-98-2)
- 4-(Trifluoromethyl)-1,3-dihydro-2h-benzo[b][1,4]diazepin-2-one (CAS 2070-87-3)
- 3-(4-Bromophenyl)bicyclo[1.1.1]Pentane-1-carboxylic acid (CAS 1980054-39-4)
- Methyl 6-amino-1H-indazole-1-carboxylate (CAS 500881-33-4)
- 1-(2-Methyl-1H-benzo[d]imidazol-4-yl)ethanone (CAS 69515-02-2)
- (R)-Difluorphos (CAS 503538-69-0)
- Semaglutide impurity 258 (CAS CATO-C4X-2226258)
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