4-((3-Nitrobenzylidene)amino)-5-(m-tolyl)-4H-1,2,4-triazole-3-thiol CAS 478256-03-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 478256-03-0 |
| Molecular Formula | C16H13N5O2S |
| Molecular Weight | 339.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-((3-Nitrobenzylidene)amino)-5-(m-tolyl)-4H-1,2,4-triazole-3-thiol (CAS 478256-03-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H13N5O2S. Molecular weight: 339.37 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H13N5O2S |
| Molecular Weight | 339.37 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
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- 6-Methyl-2-((3-nitrobenzylidene)amino)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carbonitrile (CAS 331962-76-6)
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Recommended Standards
- 3-(4-Fluorophenyl)-7-(naphthalen-2-yl)pyrazolo[1,5-a]pyrimidine (CAS 692287-78-8)
- 4-(1H-pyrazol-4-yl)-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine (CAS 952521-75-4)
- 3-(4-Benzamidophenoxy)thiophene-2-carboxylic acid (CAS 900015-31-8)
- N-((4-methoxyphenyl)carbamothioyl)thiophene-2-carboxamide (CAS 352348-63-1)
- 1-(Neopentyloxy)-4-nitrobenzene (CAS 14225-16-2)
- 2-(5-Methyl-2-phenylthiazol-4-yl)acetic hydrazide (CAS 300664-52-2)
- 3-(4-methylphenyl)propanal (CAS 5406-12-2)
- 2-[4-(n-methyl-3,4-dimethylbenzenesulfonamido)phenoxy]propanoic acid (CAS 926221-69-4)
- (2-Amino-5-fluorophenyl)boronic acid hydrochloride (CAS 1256355-45-9)
- Semaglutide impurity 73 (CAS CATO-C4X-222673)
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