3-[1-(4-Methylphenyl)-1H-pyrazol-3-yl]-1-phenyl-1,4-dihydropyridazin-4-one CAS 318497-95-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 318497-95-9 |
| Molecular Formula | C20H16N4O |
| Molecular Weight | 328.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-[1-(4-Methylphenyl)-1H-pyrazol-3-yl]-1-phenyl-1,4-dihydropyridazin-4-one (CAS 318497-95-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H16N4O. Molecular weight: 328.37 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H16N4O |
| Molecular Weight | 328.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
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- 2-{[(4-methylphenyl)methyl]sulfanyl}-5-[2-(methylsulfanyl)phenyl]-1,3,4-oxadiazole (CAS 339015-38-2)
- 3-(3-Methylphenyl)-2-sulfanyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3h)-one (CAS 341499-06-7)
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Recommended Standards
- 2-((S)-1-((S)-2-Amino-5-guanidinopentanoyl)pyrrolidine-2-carboxamido)acetic acid (CAS 96817-14-0)
- 4-((1,3-Diphenyl-1H-pyrazol-4-yl)methylene)-5-methyl-2,4-dihydro-3H-pyrazol-3-one (CAS 370096-57-4)
- 1-Phenyl-2-(1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)propan-1-one (CAS 62141-18-8)
- 4-(Dimethylamino)-4-(3-methoxyphenyl)cyclohexan-1-one (CAS 65618-98-6)
- N-Benzyl-5-bromo-N-methylpyridin-3-amine (CAS 1209458-46-7)
- 2-bromo-7-(bromomethyl)naphthalene (CAS 841259-75-4)
- 2-(((4-(4-Ethoxyphenyl)-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)methyl)-1H-benzo[d]imidazole (CAS 578735-97-4)
- 3-Cyclopropoxy-5-ethylpyridin-2-amine (CAS 1243394-28-6)
- 6-Methoxy-4-(piperazin-1-yl)quinazoline (CAS 205259-88-7)
- Prolactin-Releasing Peptide (1-31) (human) (CAS 215510-22-8)
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