3-Oxo-6-phenyl-2,3-dihydropyridazine-4-carboxamide CAS 87769-56-0
| CAS No. | 87769-56-0 |
| Molecular Formula | C11H9N3O2 |
| Molecular Weight | 215.21 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 3-Oxo-6-phenyl-2,3-dihydropyridazine-4-carboxamide.
3-Oxo-6-phenyl-2,3-dihydropyridazine-4-carboxamide (CAS 87769-56-0) is a high-purity analytical reference standard with the molecular formula C11H9N3O2 and a molecular weight of 215.21 g/mol.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 3-Oxo-6-phenyl-2,3-dihydropyridazine-4-carboxamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 215.21 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C11H9N3O2 |
| Molecular Weight | 215.21 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 DMSO, DMF, methanol |
| 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.) | 1982 |
| Nitrogen Atoms | 3 |
Recommended Standards
- 3-Oxo-5-phenyl-3,4-dihydropyrazine-2-carboxamide (CAS 67602-10-2)
- 4-((2-Nitro-1H-imidazol-1-yl)methoxy)butan-1-ol (CAS 93679-08-4)
- 3-nitro-N-phenylpyridin-4-amine (CAS 35750-90-4)
- 4-(2-aminopyrimidin-4-yl)benzoic acid (CAS 216959-98-7)
- 5-Chloro-6-[(3,4-difluorophenyl)amino]pyridine-3-carboxylic acid (CAS 1019466-14-8)
- Methyl (2S)-2-{[(tert-butoxy)carbonyl]amino}-3-[(triphenylmethyl)sulfanyl]propanoate (CAS 854938-42-4)
- (E)-4-chlorobut-2-enoic acid (CAS 26340-58-9)
- 1-(2-fluorophenyl)-5-methyl-1H-pyrazol-4-amine (CAS 1245007-29-7)
- 3-bromo-7-fluoro-1-(propan-2-yl)-1H-pyrrolo[3,2-c]pyridine (CAS 1597421-44-7)
- Ethyl 6-methoxy-4-(phenylamino)quinoline-3-carboxylate (CAS 77157-28-9)
- N-(3,4-Dimethylphenyl)quinazolin-4-amine (CAS 88404-43-7)
- 3-[(4-butylphenyl)sulfamoyl]benzoic acid (CAS 377769-55-6)
- 5-Cyclobutyl-1H-pyrazole-3-carboxylic acid (CAS 957129-37-2)
- Tau Peptide (306-336) (Repeat 3 Domain) trifluoroacetate salt (CAS 330456-26-3)
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