3-[(E)-2-[(2-Chlorophenyl)methylidene]hydrazin-1-yl]-1,2-dihydroquinoxalin-2-one CAS 338419-72-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 338419-72-0 |
| Molecular Formula | C15H11ClN4O |
| Molecular Weight | 298.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-[(E)-2-[(2-Chlorophenyl)methylidene]hydrazin-1-yl]-1,2-dihydroquinoxalin-2-one (CAS 338419-72-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C15H11ClN4O. Molecular weight: 298.73 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C15H11ClN4O |
| Molecular Weight | 298.73 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related E Standards
- N-(5-(4-Chlorophenyl)-1,3,4-oxadiazol-2-yl)benzimidamide (CAS 132380-89-3)
- 1-(3-Chlorophenyl)-3-(quinoxalin-6-yl)urea (CAS 672949-79-0)
- 3-[(E)-2-[(3-Chlorophenyl)methylidene]hydrazin-1-yl]-1,2-dihydroquinoxalin-2-one (CAS 338419-74-2)
- N-(2-Chlorophenyl)-N-(6-quinoxalinyl)urea (CAS 423154-67-0)
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- (1-(4-Chlorophenyl)-1H-pyrazol-4-yl)(2-hydroxyphenyl)methanone (CAS 61466-47-5)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com