3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)-1λ⁶-thiolane-1,1-dione CAS 881-38-9

Description

Compared with other compounds in its class, the molecular weight of 216.26 g/mol gives 3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)-1λ⁶-thiolane-1,1-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)-1λ⁶-thiolane-1,1-dione (CAS 881-38-9), molecular formula C8H12N2O3S and molecular weight 216.26 g/mol, is a CATO reference standard with documented purity and traceability.

3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)-1λ⁶-thiolane-1,1-dione (C8H12N2O3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.

As a certified reference material (CRM), 3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)-1λ⁶-thiolane-1,1-dione 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

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