5-(3,4-Diethoxyphenyl)-3-(o-tolyl)-1H-1,2,4-triazole CAS 1416346-75-2
| CAS No. | 1416346-75-2 |
| Molecular Formula | C19H21N3O2 |
| Molecular Weight | 323.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO supplies 5-(3,4-Diethoxyphenyl)-3-(o-tolyl)-1H-1,2,4-triazole (CAS 1416346-75-2), a certified reference material (molecular formula C19H21N3O2, MW 323.39 g/mol) for analytical method development and quality control.
5-(3,4-Diethoxyphenyl)-3-(o-tolyl)-1H-1,2,4-triazole (C19H21N3O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), 5-(3,4-Diethoxyphenyl)-3-(o-tolyl)-1H-1,2,4-triazole meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C19H21N3O2 |
| Molecular Weight | 323.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 3 |
Related Diethoxyphenyl Standards
- 4-(5-(3,4-Diethoxyphenyl)-1H-1,2,4-triazol-3-yl)aniline (CAS 1416343-99-1)
- 3-(5-(3,4-Diethoxyphenyl)-1H-1,2,4-triazol-3-yl)aniline (CAS 1416346-98-9)
- 3-(5-(3,4-Diethoxyphenyl)-1H-1,2,4-triazol-3-yl)phenol (CAS 1416347-14-2)
- 1-[(3,4-diethoxyphenyl)carbonyl]piperidine-3-carboxylic acid (CAS 926267-25-6)
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- 2-(3,4-Diethoxyphenyl)-1H-benzo[d]imidazole-6-carboxylic acid (CAS 1416340-27-6)
- 5-(3,4-Diethoxyphenyl)-3-(3-fluorophenyl)-1H-1,2,4-triazole (CAS 1416343-91-3)
- 5-(3,4-Diethoxyphenyl)-3-(4-fluorophenyl)-1H-1,2,4-triazole (CAS 1416344-37-0)
Recommended Standards
- 4-((2-Ethyl-5,7-dimethylpyrazolo[1,5-a]pyrimidin-3-yl)methyl)benzohydrazide (CAS 1401728-88-8)
- N-(4-(2-Methoxyphenoxy)but-2-yn-1-yl)-3-phenylpropanamide (CAS 1421464-66-5)
- Methyl 4-((2-ethyl-5,7-dimethylpyrazolo[1,5-a]pyrimidin-3-yl)methyl)benzoate (CAS 1401728-87-7)
- di-tert-Butyl 6,7-dihydro-1H-imidazo[4,5-c]pyridine-1,5(4H)-dicarboxylate (CAS 1421503-52-7)
- 2-(2-Bromo-6-methoxypyridin-4-yl)acetic acid (CAS 1393583-59-9)
- 7-Piperidin-3-yl-3,4,5,6-tetrahydro-2h-azepine (CAS 946386-42-1)
- Tert-butyl 5-(benzyloxy)-3-formyl-1H-indole-1-carboxylate (CAS 914348-98-4)
- Cyclopentyl(4-fluorophenyl)methanone (CAS 31545-25-2)
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- (S)-N-[(1-Ethyl-2-pyrrolidinyl)methyl]-2-hydroxy-6-methoxybenzamide 84226-04-0 N-[[(2S)-1-Ethyl-2-pyrrolidinyl]methyl]-2-hydroxy-6-methoxybenzamide S( C)-2-Hydroxy-6-methoxy-N-[(1-ethyl-2-pyrrolidinyl)methyl]benzamide S(-)-BZM (CAS 84226-04-0)
- 3-{[(6-methylcyclohex-3-en-1-yl)methoxy]methyl}benzoic acid (CAS 1039945-17-9)
- 2'-Deoxy-3',5'-bis-O-(4-methoxyphenoxy carbonyl)-5-fluoro-3-(4-n-propoxybenzoyl)uridine (CAS 93057-16-0)
- 3,5-Difluoro-1,5-Cyclohexadiene-1,4-Diol (CAS 175359-13-4)
- Semaglutide impurity 73 (CAS CATO-C4X-222673)
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