4-((3,4-Dihydroxybenzylidene)amino)-3-(m-tolyl)-1H-1,2,4-triazole-5(4H)-thione CAS 478256-29-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 478256-29-0 |
| Molecular Formula | C16H14N4O2S |
| Molecular Weight | 326.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-((3,4-Dihydroxybenzylidene)amino)-3-(m-tolyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478256-29-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H14N4O2S. Molecular weight: 326.37 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H14N4O2S |
| Molecular Weight | 326.37 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
- 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)
- 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)
- 4-((2,4-Dihydroxybenzylidene)amino)-3-(2-methoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 497920-24-8)
- N'-(2,4-Dihydroxybenzylidene)-4-nitrobenzohydrazide (CAS 303084-13-1)
- 4-((3,4-Dihydroxybenzylidene)amino)-3-(3-ethoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 497922-01-7)
Recommended Standards
- 4-((3-(Furan-2-yl)allylidene)amino)-3-(2-methoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478257-18-0)
- 4-(4-Fluorophenyl)-3,6-diphenylpyridazine (CAS 838814-77-0)
- 4-((1-Acetylindoline)-5-sulfonamido)butanoic acid (CAS 899718-22-0)
- N-(3-chloropropyl)prop-2-en-1-amine (CAS 1211447-32-3)
- 2,4-Dichloro-N-isopropyl-N-(2-(isopropylamino)ethyl)benzenesulfonamide (CAS 946387-07-1)
- 1-(3-(Furan-2-yl)-5-(2-hydroxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl)propan-1-one (CAS 900134-11-4)
- 5-Fluoro-4-iodopyrimidine (CAS 1806346-54-2)
- (S)-6-Methoxychroman-4-amine (CAS 1018978-90-9)
- Desloratadine Impurity 55 (CAS CATO-C4X-143055)
- Acetyl-Tau Peptide (273-284) amide trifluoroacetate salt (CAS 1684399-52-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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