(E)-3-(3,4-dimethylphenyl)-N'-(4-methoxybenzylidene)-4-oxo-3,4-dihydrophthalazine-1-carbohydrazide CAS 478045-74-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 478045-74-8 |
| Molecular Formula | C25H22N4O3 |
| Molecular Weight | 426.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-3-(3,4-dimethylphenyl)-N'-(4-methoxybenzylidene)-4-oxo-3,4-dihydrophthalazine-1-carbohydrazide (CAS 478045-74-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C25H22N4O3. Molecular weight: 426.47 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C25H22N4O3 |
| Molecular Weight | 426.47 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
Related E Standards
- N-(2,3-Dimethylphenyl)-2-((3-ethyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 618879-76-8)
- N-(2,6-Dimethylphenyl)-2-((3-ethyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 577996-82-8)
- N-(3,4-Dimethylphenyl)-2-((3-ethyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 618879-79-1)
- 2-((4-(N-(2,4-dimethylphenyl)sulfamoyl)phenyl)carbamoyl)benzoic acid (CAS 433310-45-3)
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- Ethyl 5-(2-(3,4-dimethylphenyl)-2-oxoethoxy)-2-phenylbenzofuran-3-carboxylate (CAS 6572-58-3)
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Recommended Standards
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- n-(1-Methoxypropan-2-yl)-1-methyl-1h-pyrazol-3-amine (CAS 1249785-08-7)
- Sodium 1-(2-pyridin-4-ylethyl)piperidine-4-carboxylate (CAS 1158260-61-7)
- 4-(4′-N,N-Dimethylaminophenyl)urazole (CAS 883455-55-8)
- 2-(2-Phenyl-1H-indol-3-yl)quinoline-4-carboxylic acid (CAS 89391-08-2)
- 1-(1-Propylpiperidin-3-yl)ethan-1-ol (CAS 1216130-24-3)
- C-Type Natriuretic Peptide (32-53) (human, porcine, rat) (CAS 127869-51-6)
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