1-(Prop-2-yn-1-yl)-1H-1,2,3-triazole CAS 78909-98-5
| CAS No. | 78909-98-5 |
| Molecular Formula | C5H5N3 |
| Molecular Weight | 107.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-(Prop-2-yn-1-yl)-1H-1,2,3-triazole (CAS 78909-98-5), a certified reference material (molecular formula C5H5N3, MW 107.11 g/mol) for analytical method development and quality control.
Structurally, 1-(Prop-2-yn-1-yl)-1H-1,2,3-triazole (C5H5N3) contains a nitrile group. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 107.11 g/mol, it falls into the low-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 manufactures 1-(Prop-2-yn-1-yl)-1H-1,2,3-triazole under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H5N3 |
| Molecular Weight | 107.11 g/mol |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1979 |
| Nitrogen Atoms | 3 |
Related Prop Standards
- 1-(Prop-2-yn-1-yl)-1h-1,2,4-triazole (CAS 82418-39-1)
- 1-(Prop-2-yn-1-yl)-1H-pyrazole (CAS 20306-74-5)
- 2-(Prop-2-yn-1-yl)-1H-imidazole (CAS 2228371-02-4)
- 4-(Prop-2-yn-1-yloxy)but-1-yne (CAS 75405-46-8)
- 1-(Prop-2-yn-1-yl)-1H-pyrrole (CAS 19016-98-9)
- 2-(Prop-2-yn-1-yl)-1H-pyrrole (CAS 477331-74-1)
- N-(Prop-2-yn-1-yl)acrylamide (CAS 123523-58-0)
- 3-(Prop-2-ynyloxy)propanenitrile (CAS 1904-22-9)
Recommended Standards
- 2-(4-Imidazolyl)acetonitrile (CAS 18502-05-1)
- 4-Ethynyl-1-methyl-1H-1,2,3-triazole (CAS 1809889-77-7)
- 1H-Imidazo[1,2-a]imidazole (CAS 251-91-2)
- 2-Methyl-1H-imidazole-1-carbonitrile (CAS 175351-38-9)
- n-(4-Chlorophenyl)furan-2-carboxamide (CAS 1982-59-8)
- Z-Arg-Arg-Pro-Phe-His-Sta-Ile-His-Lys(Boc)-OMe (CAS 93287-54-8)
- 3-acetylpyrrolidine-2,4-dione (CAS 697-57-4)
- 2-(5-(Hydroxymethyl)-2-mercapto-1h-imidazol-1-yl)-N-methylacetamide (CAS 1105190-20-2)
- (R)-N-(3-Aminopropyl)-N-(1-(3-benzyl-7-chloro-4-oxo-3,4-dihydroquinazolin-2-yl)-2-methylpropyl)-4-methylbenzamide methanesulfonate (CAS 514820-03-2)
- 7,9-Dihydro-2H-purine-2,8(3H)-dione (CAS 13230-99-4)
- 4-(2H-1,2,3-Triazol-2-yl)benzoic acid (CAS 90322-96-6)
- TERT-BUTYL 4-(2-AMINO-4-BROMOPHENYL AMINO)PIPERIDINE-1-CARBOXYLATE (CAS 1383968-85-1)
- 3-aminocyclohexane-1-sulfonic acid (CAS 1803562-79-9)
- Semaglutide Impurity 185 (CAS CATO-C4X-2226185)
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 18665070610 / Nicole.chen@cato-chem.com