4-((4-Ethoxy-3-methoxybenzylidene)amino)-3-(m-tolyl)-1H-1,2,4-triazole-5(4H)-thione CAS 478256-21-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 478256-21-2 |
| Molecular Formula | C19H20N4O2S |
| Molecular Weight | 368.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-((4-Ethoxy-3-methoxybenzylidene)amino)-3-(m-tolyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478256-21-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H20N4O2S. Molecular weight: 368.45 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H20N4O2S |
| Molecular Weight | 368.45 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 |
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Recommended Standards
- 4-((4-(N-cyclohexyl-N-methylsulfamoyl)phenyl)amino)-4-oxobutanoic acid (CAS 717862-44-7)
- 4-((4-Fluorophenyl)thio)-6-(methylthio)-1-phenyl-1H-pyrazolo[3,4-d]pyrimidine (CAS 478247-58-4)
- 3-Benzyl-5-(4-fluorophenyl)-2-mercaptothieno[2,3-d]pyrimidin-4(3h)-one (CAS 565180-46-3)
- Ethyl 2-ethynyloxazole-4-carboxylate (CAS 617705-26-7)
- 3-(Difluoromethyl)-5-(hydroxymethyl)-6-methylpicolinonitrile (CAS 1806010-19-4)
- 1-(2-Methylbenzyl)-1h-1,2,3-triazol-4-amine (CAS 1512115-61-5)
- 4-[(Cyclopropylamino)sulfonyl]benzoic Acid (CAS 436092-71-6)
- C14 Ceramide (d18:1/14:0) (CAS 123408-74-2)
- 2-phenylquinolin-4-amine hydrochloride (CAS 65197-47-9)
- Semaglutide impurity 261 (CAS CATO-C4X-2226261)
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