| CAS No. | 70740-21-5 |
| Molecular Formula | C15H27N2O3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 306.38 g/mol gives 1-(5,6-Dimethyl-1H-benzo[d][1,2,3]triazol-1-yl)ethanone distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-(5,6-Dimethyl-1H-benzo[d][1,2,3]triazol-1-yl)ethanone (CAS 70740-21-5), molecular formula C15H27N2O3Na and molecular weight 306.38 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C15H27N2O3Na, 1-(5,6-Dimethyl-1H-benzo[d][1,2,3]triazol-1-yl)ethanone contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 306.38 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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-(5,6-Dimethyl-1H-benzo[d][1,2,3]triazol-1-yl)ethanone 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.
| Molecular Formula | C15H27N2O3 Na |
| Molecular Weight | 306.38 g/mol |
| Appearance | White to pale 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) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 2 |