2-((5,7-Dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)thio)-N-methyl-N-phenylacetamide CAS 353508-37-9
| CAS No. | 353508-37-9 |
| Molecular Formula | C16H17N5OS |
| Molecular Weight | 327.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-((5,7-Dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)thio)-N-methyl-N-phenylacetamide (CAS 353508-37-9), molecular formula C16H17N5OS and molecular weight 327.40 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-((5,7-Dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)thio)-N-methyl-N-phenylacetamide (C16H17N5OS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 327.40 g/mol, it falls into the moderately-high-molecular-weight range. 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.
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.
Physical & Chemical Properties
| Molecular Formula | C16H17N5OS |
| Molecular Weight | 327.40 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 2-((4-(1H-Pyrrol-1-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(2,3-dimethylphenyl)acetamide (CAS 877814-25-0)
- 2-(4-(4-Fluorophenyl)piperazin-1-yl)-N-(p-tolyl)acetamide (CAS 303091-80-7)
- PAMAM dendrimers, ethylenediamine core, solution generation 1.0 (CAS 142986-44-5)
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