4-(p-Tolyl)-2H-1,2,3-triazole CAS 59066-81-8
| CAS No. | 59066-81-8 |
| Molecular Formula | C9H9N3 |
| Molecular Weight | 159.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-(p-Tolyl)-2H-1,2,3-triazole is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4-(p-Tolyl)-2H-1,2,3-triazole (CAS 59066-81-8), molecular formula C9H9N3 and molecular weight 159.19 g/mol, is a CATO reference standard with documented purity and traceability.
4-(p-Tolyl)-2H-1,2,3-triazole (C9H9N3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group. Its physicochemical properties are representative of its class; 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-(p-Tolyl)-2H-1,2,3-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 | C9H9N3 |
| Molecular Weight | 159.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 3 |
Related p Standards
- 3-(m-tolyl)-1H-1,2,4-triazole (CAS 24167-23-5)
- 3-(p-Tolyl)-1H-1,2,4-triazole (CAS 23195-60-0)
- 4-(p-Tolyl)-1H-1,2,3-triazole (CAS 5301-96-2)
- 4-(p-Tolyl)-4H-1,2,4-triazole (CAS 80535-18-8)
- 3-(o-Tolyl)isoxazole (CAS 1093649-60-5)
- 4-(m-Tolyl)isoxazole (CAS 129746-47-0)
- 5-(m-Tolyl)isoxazole (CAS 129747-41-7)
- 5-(p-Tolyl)oxazole (CAS 143659-19-2)
Recommended Standards
- 4-(5-Methyl-1H-pyrazol-3-yl)pyridine (CAS 20007-63-0)
- 4-amino-2-methoxypyrimidine-5-carbaldehyde (CAS 26664-09-5)
- 4-(3-Pyrazolyl)aniline (CAS 89260-45-7)
- 4-amino-2-methylpyrimidine-5-carboxylic acid (CAS 769-52-8)
- 3-Methoxycarbonyl PROXYL (CAS 2154-33-8)
- 2-({2-[(1-hydroxybutan-2-yl)amino]ethyl}amino)butan-1-ol (CAS 3577-94-4)
- 2-{8-oxa-3-azabicyclo[3.2.1]octan-3-yl}ethan-1-aminehydrochloride (CAS 1955548-18-1)
- (15Z)-15-Tetracosenoic Acid 2,5-Dioxo-1-pyrrolidinyl Ester 1-[[(15Z)-1-Oxo-15-tetracosenyl]oxy]-2,5-pyrrolidinedione 191354-88-8 Succinimidyl Nervonate (CAS 191354-88-8)
- 1-(3-Bromophenyl)-N-(2-ethoxyethyl)ethan-1-amine (CAS 1156244-65-3)
- N-((1,3-Dimethyl-1H-pyrazol-4-yl)methyl)-1-(2-fluoroethyl)-3-methyl-1H-pyrazol-4-amine hydrochloride (CAS 1856024-65-1)
- bicyclo[4.1.0]heptan-3-ylmethanamine hydrochloride (CAS 1909319-12-5)
- 3,5,6,7-Tetrahydro-1H-indole-2,4-dione (CAS 58130-32-8)
- 2-(2-Bromophenyl)imidazole (CAS 162356-38-9)
- (9-D-Asp) Semaglutide X Sodium salt (CAS CATO-CPTD788617)
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