4-((3-Bromo-4-hydroxy-5-methoxybenzylidene)amino)-3-(m-tolyl)-1H-1,2,4-triazole-5(4H)-thione CAS 478256-19-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 478256-19-8 |
| Molecular Formula | C17H15BrN4O2S |
| Molecular Weight | 419.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-((3-Bromo-4-hydroxy-5-methoxybenzylidene)amino)-3-(m-tolyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478256-19-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H15BrN4O2S. Molecular weight: 419.30 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H15BrN4O2S |
| Molecular Weight | 419.30 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 4-((3-Bromo-4-methoxybenzylidene)amino)-3-(2-methoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478257-42-0)
- 4-((5-Bromo-2-hydroxybenzylidene)amino)-3-(3-ethoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 613249-59-5)
- 4-((5-Bromo-2-methoxybenzylidene)amino)-3-(2-methoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478256-57-4)
- 4-((5-Bromo-2-methoxybenzylidene)amino)-3-(3-methoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478257-98-6)
- 2-Bromo-N-(4,5-dimethylisoxazol-3-yl)-N-((2-methoxyethoxy)methyl)benzenesulfonamide (CAS 195447-73-5)
- 5-Bromo-3'-(4-ethoxyphenyl)spiro[indoline-3,2'-thiazolidine]-2,4'-dione (CAS 946387-38-8)
- [4-(4-Bromo-phenyl)-thiazol-2-yl]-[2-(3,4-dimethoxy-phenyl)-ethyl]-amine (CAS 364740-29-4)
- 4-Bromo-N-(2-(2,5-dimethyl-1H-pyrrol-1-yl)benzyl)benzenesulfonamide (CAS 383147-66-8)
Recommended Standards
- 2-((4-Allyl-5-(furan-2-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(4-bromophenyl)acetamide (CAS 618880-02-7)
- (2E)-N-(3-Iodo-4-methylphenyl)-3-[4-(2-methylpropyl)phenyl]prop-2-enamide (CAS 329778-58-7)
- Ethyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1H-pyrrole-2-carboxylate (CAS 1803791-10-7)
- 2-amino-2-(1-methylpyrazol-3-yl)ethanol;dihydrochloride (CAS 2306268-15-3)
- 2-Amino-3,8-dimethylimidazo[4,5-f]quinoxaline-2-14CDISCONTINUED (CAS 96600-60-1)
- Ethyl 2-Amino-4-methyl-5-[(piperidin-1-yl)carbonyl]thiophene-3-carboxylate (CAS 297182-53-7)
- 7-Chloro-5-methyl-2,3-dihydrobenzofuran-3-amine (CAS 1250300-20-9)
- 7-bromo-1,2-dihydroquinazolin-2-one (CAS 953039-65-1)
- Apremilast Impurity 66 (CAS 587-48-4)
- Tirzepatide Impurity 58 (CAS CATO-C4X-324058)
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