4-Hydroxy-1-(3-methoxyphenyl)-6-oxo-1,6-dihydro-3-pyridazinecarboxamide CAS 306976-49-8
| CAS No. | 306976-49-8 |
| Molecular Formula | C12H11N3O4 |
| Molecular Weight | 261.23 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.
CATO supplies 4-Hydroxy-1-(3-methoxyphenyl)-6-oxo-1,6-dihydro-3-pyridazinecarboxamide (CAS 306976-49-8), a certified reference material (molecular formula C12H11N3O4, MW 261.23 g/mol) for analytical method development and quality control.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 4-Hydroxy-1-(3-methoxyphenyl)-6-oxo-1,6-dihydro-3-pyridazinecarboxamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 261.23 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C12H11N3O4 |
| Molecular Weight | 261.23 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.) | 2025 |
| Nitrogen Atoms | 3 |
Related Hydroxy Standards
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Recommended Standards
- 4-({[3-Methoxy-5-oxo-2(5H)-furanyliden]methyl}amino)benzenecarboxylic acid (CAS 477852-15-6)
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- 4-Methoxy-3-[(3-nitro-1h-pyrazol-1-yl)methyl]benzaldehyde (CAS 956440-93-0)
- 4-((4,6-Dimethoxy-1,3,5-triazin-2-yl)oxy)benzaldehyde (CAS 42030-76-2)
- 4-(2-Bromo-5-methoxyphenyl)butan-1-ol (CAS 328570-78-1)
- 3-Amino-6-ethyl-N-(o-tolyl)-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide (CAS 445268-95-1)
- 1-(3-Fluorophenyl)bicyclo[1.1.1]Pentane (CAS 1823878-55-2)
- 5-((Tert-butoxycarbonyl)amino)bicyclo[3.2.2]Nonane-1-carboxylic acid (CAS 1823779-23-2)
- ditert-butyl 6-formyl-7-methyl-spiro[3,4-dihydro-1,8-naphthyridine-2,3'-pyrrolidine]-1,1'-dicarboxylate (CAS 2755893-32-2)
- N-(2-Methylphenyl)-4-piperidinecarboxamidehydrochloride (CAS 1219976-50-7)
- 2,2,2-trifluoroethyl N-tert-butylcarbamate (CAS 140429-73-8)
- 2H-Indeno[4,5-h]isoquinoline (CAS 522-43-0)
- 1-([1,1'-Biphenyl]-4-yl)-3-((3-chloro-4-fluorophenyl)amino)propan-1-one (CAS 882748-36-9)
- Tirzepatide Impurity 59 (CAS CATO-C4X-324059)
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