N'-(2,4-Dihydroxybenzylidene)-4-nitrobenzohydrazide CAS 303084-13-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303084-13-1 |
| Molecular Formula | C14H11N3O5 |
| Molecular Weight | 301.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N'-(2,4-Dihydroxybenzylidene)-4-nitrobenzohydrazide (CAS 303084-13-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H11N3O5. Molecular weight: 301.25 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H11N3O5 |
| Molecular Weight | 301.25 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Related N Standards
- (5E)-5-(3,4-Dihydroxybenzylidene)-2-mercapto-3-phenyl-3,5-dihydro-4H-imidazol-4-one (CAS 897340-70-4)
- 4-((3,4-Dihydroxybenzylidene)amino)-3-(pyridin-2-yl)-1H-1,2,4-triazole-5(4H)-thione (CAS 613248-43-4)
- (Z)-2-(3,4-Dihydroxybenzylidene)-6,7-dihydroxybenzofuran-3(2H)-one (CAS 576-02-3)
- 2-(3,4-Dihydroxybenzylidene)-4,6-dihydroxybenzofuran-3(2H)-one (CAS 480-70-6)
- 4-((3,4-Dihydroxybenzylidene)amino)-3-(m-tolyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478256-29-0)
- 4-((3,4-Dihydroxybenzylidene)amino)-3-(2-fluorophenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 577789-70-9)
- 4-((3,4-Dihydroxybenzylidene)amino)-3-(4-fluorophenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 573975-64-1)
- 3-(2-(2,3-Dihydroxybenzylidene)-1-methylhydrazinyl)benzo[d]isothiazole 1,1-dioxide (CAS 591242-33-0)
Recommended Standards
- N-(2,4-Difluorophenyl)-6-(1H-1,2,4-triazol-1-yl)pyridine-3-carboxamide (CAS 338418-96-5)
- N-(2,6-Difluorophenyl)-6-(1H-1,2,4-triazol-1-yl)pyridine-3-carboxamide (CAS 672951-18-7)
- Molnupiravir Acetyl Impurity (CAS 29569-30-0)
- (3-Chlorophenyl)(tetrahydro-1H-furo[3,4-c]pyrrol-5(3H)-yl)methanone (CAS 60889-39-6)
- N-Isopropylhydroxylamine (CAS 5080-22-8)
- 2-((4-Hydroxy-5,7-dimethylpyrido[2,3-d]pyrimidin-2-yl)thio)acetic acid (CAS 443749-00-6)
- 5-Acetylisoindolin-1-one (CAS 1421922-95-3)
- 2-(5-Methyloxazol-2-yl)acetic acid (CAS 1368841-42-2)
- N-((2R,4S)-2-(4-chlorobenzyl)piperidin-4-yl)acetamide hydrochloride (CAS 183683-28-5)
- Semaglutide impurity 202 (CAS CATO-C4X-2226202)
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