4-((3,4-Dihydroxybenzylidene)amino)-3-(3-ethoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione CAS 497922-01-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 497922-01-7 |
| Molecular Formula | C17H16N4O3S |
| Molecular Weight | 356.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-((3,4-Dihydroxybenzylidene)amino)-3-(3-ethoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 497922-01-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H16N4O3S. Molecular weight: 356.40 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H16N4O3S |
| Molecular Weight | 356.40 g/mol |
| 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.) | 2025 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Dihydroxybenzylidene Standards
- 2,3-Bis(3,4-dihydroxybenzylidene)succinic acid (CAS 132367-95-4)
- 4-((2,4-Dihydroxybenzylidene)amino)-3-(2-methoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 497920-24-8)
- 3-(2-(2,3-Dihydroxybenzylidene)-1-methylhydrazinyl)benzo[d]isothiazole 1,1-dioxide (CAS 591242-33-0)
- 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)
- 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-(pyridin-2-yl)-1H-1,2,4-triazole-5(4H)-thione (CAS 613248-43-4)
- (5E)-5-(3,4-Dihydroxybenzylidene)-2-mercapto-3-phenyl-3,5-dihydro-4H-imidazol-4-one (CAS 897340-70-4)
Recommended Standards
- 4-((2-Hydroxy-3-methoxybenzylidene)amino)-3-(3-methoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478257-66-8)
- 4-((3-Nitro-4-(piperazin-1-yl)phenyl)sulfonyl)morpholine (CAS 731003-76-2)
- 4-((2-Hydroxy-3-methoxybenzylidene)amino)-3-(2-methoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478256-49-4)
- 1-methyl-8-oxa-2-azaspiro[4.5]decane (CAS 1250678-54-6)
- 3-Isopropyl-5-pyrrolidin-2-ylisoxazole (CAS 1018163-28-4)
- Trolamine salicylate (CAS 2174-16-5)
- 2-(Methylthio)benzo[d]oxazole-7-sulfonyl chloride (CAS 1806516-91-5)
- 2-Amino-3-(5-methyl-2-(trifluoromethyl)phenyl)propanoic acid (CAS 1256482-64-0)
- 4-(Dodecyloxy)benzoic acid (CAS 2312-15-4)
- Semaglutide Impurity 124 (CAS CATO-C4X-2226124)
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