1-(4-(3-Ethyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)-2-phenylethan-1-one CAS 1070861-48-1
| CAS No. | 1070861-48-1 |
| Molecular Formula | C18H21N7O |
| Molecular Weight | 351.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies 1-(4-(3-Ethyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)-2-phenylethan-1-one (CAS 1070861-48-1), a certified reference material (molecular formula C18H21N7O, MW 351.41 g/mol) for analytical method development and quality control.
Structurally, 1-(4-(3-Ethyl-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)piperazin-1-yl)-2-phenylethan-1-one (C18H21N7O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 351.41 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C18H21N7O |
| Molecular Weight | 351.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 7 |
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