4-((3-Ethoxy-4-hydroxybenzylidene)amino)-3-(2-methoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione CAS 478257-11-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 478257-11-3 |
| Molecular Formula | C18H18N4O3S |
| Molecular Weight | 370.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-((3-Ethoxy-4-hydroxybenzylidene)amino)-3-(2-methoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478257-11-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H18N4O3S. Molecular weight: 370.43 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H18N4O3S |
| Molecular Weight | 370.43 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 Ethoxy Standards
- 4-((3-Ethoxy-2-hydroxybenzylidene)amino)-3-(2-methoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478256-46-1)
- 4-((3-Ethoxy-2-hydroxybenzylidene)amino)-3-(3-methoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478257-62-4)
- 3-(3-(3-Ethoxy-3-oxopropyl)-5-(4-methoxybenzyl)phenyl)propanoic acid (CAS 1260817-90-0)
- 7-Ethoxy-4-(2-(6-methylpyridin-2-yl)-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-3-yl)quinoline (CAS 737791-24-1)
- 2-Ethoxy-N-((1-(2-methoxyethyl)piperidin-4-yl)methyl)-1-naphthamide (CAS 953930-49-9)
- 20-ethoxy-20-oxoicosanoic acid (CAS 140198-87-4)
- Methyl 1-(2-ethoxy-2-oxoethyl)-6-(4-fluorophenyl)-3-methyl-1h-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 1011398-28-9)
- Ethyl 4-(2-(2-ethoxy-4-formylphenoxy)acetamido)benzoate (CAS 692262-39-8)
Recommended Standards
- 4-(1-(Phenylsulfonyl)-4-(pyridin-2-yl)-1H-pyrazol-3-yl)morpholine (CAS 303995-21-3)
- Ethyl 3,5-dimethyl-1-(5-(thiophene-2-carboxamido)pyridin-2-yl)-1H-pyrazole-4-carboxylate (CAS 477710-45-5)
- 3-(3-Ethoxyphenyl)-4-((4-hydroxy-3-methoxybenzylidene)amino)-1H-1,2,4-triazole-5(4H)-thione (CAS 613249-66-4)
- 2,4,6-Tribromo-3-(((tetrahydro-2H-pyran-2-yl)oxy)methyl)pyridine (CAS CATO-CIM-105249)
- Pyridine methanesulfonate (CAS 39879-60-2)
- 4,4-Difluorocyclohexa-2,5-dienone (CAS 42539-98-0)
- 6-Chlorofuro[2,3-c]quinolin-4(5H)-one (CAS 89995-65-3)
- 1-Bromo-2,6-diisopropylbenzene 2,6-Diisopropylbromobenzene 2,6-Diisopropylphenyl bromide 2-Bromo-1,3-bis(1-methylethyl)benzene 2-Bromo-1,3-diisopropylbenzene 57190-17-7 (CAS 57190-17-7)
- 1-Thia-4,8-diazaspiro[4.5]Decan-3-one hydrochloride (CAS 1203898-18-3)
- Semaglutide impurity 31 (CAS CATO-C4X-222631)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com