3-Hydroxy-N'-(4-hydroxybenzylidene)benzohydrazide CAS 321681-21-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 321681-21-4 |
| Molecular Formula | C14H12N2O3 |
| Molecular Weight | 256.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Hydroxy-N'-(4-hydroxybenzylidene)benzohydrazide (CAS 321681-21-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H12N2O3. Molecular weight: 256.26 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H12N2O3 |
| Molecular Weight | 256.26 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related Hydroxy Standards
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Recommended Standards
- 3A,4,11,11a-tetrahydrofuro[3,4-b]phenazine-1,3(5H,10H)-dione (CAS 412314-71-7)
- 3-Methyl-2-(pyridine-4-amido)benzoic acid (CAS 68279-85-6)
- 3,3-Dimethoxy-N'-[2-(1H-1,2,4-triazol-1-yl)ethanimidoyl]propanehydrazide (CAS 338395-51-0)
- 5-Methyl-5-pyridin-4-yl-imidazolidine-2,4-dione (CAS 6294-54-8)
- Bosentan Impurity 5 (CAS 193013-72-8)
- 2-(2-Methoxyethoxy)cyclohexan-1-ol (CAS 1249712-42-2)
- 3-(3-Aminopyrrolidin-1-yl)-1-(3-fluorophenyl)pyrazin-2(1H)-one (CAS 1710833-85-4)
- 2-Fluoro-3-(methylsulfanyl)phenylboronic acid (CAS 1451392-57-6)
- 3,5-Dinitro-N-((perfluorophenyl)methyl)benzamide (CAS 304458-24-0)
- Tirzepatide Impurity 49 (CAS CATO-C4X-324049)
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