3-[(E)-2-[(2-Hydroxyphenyl)methylidene]hydrazin-1-yl]-1,2-dihydroquinoxalin-2-one CAS 163402-50-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 163402-50-4 |
| Molecular Formula | C15H12N4O2 |
| Molecular Weight | 280.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-[(E)-2-[(2-Hydroxyphenyl)methylidene]hydrazin-1-yl]-1,2-dihydroquinoxalin-2-one (CAS 163402-50-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H12N4O2. Molecular weight: 280.28 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C15H12N4O2 |
| Molecular Weight | 280.28 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Nitrogen Atoms | 4 |
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- 1-(3,5-Dichlorophenyl)-3-(4,6-dimethylpyrimidin-2-yl)guanidine (CAS 326012-82-2)
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