3-(2-Hydrazono-2-phenylethylidene)indolin-2-one CAS 844-63-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 844-63-3 |
| Molecular Formula | C16H13N3O |
| Molecular Weight | 263.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-(2-Hydrazono-2-phenylethylidene)indolin-2-one (CAS 844-63-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H13N3O. Molecular weight: 263.29 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H13N3O |
| Molecular Weight | 263.29 g/mol |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- 1,2-Difluoro-3,4-diiodobenzene (CAS 933672-12-9)
- 4-(Aminomethyl)-5-cyclopropoxypicolinonitrile (CAS 1243444-55-4)
- 1-(2-bromoethyl)-4-nitrobenzene (CAS 5339-26-4)
- 3-(3,5-Dichlorophenyl)-4,4,4-trifluorobutanoic acid (CAS 1368374-60-0)
- Semaglutide impurity 205 (CAS CATO-C4X-2226205)
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