1-(3,4-Dimethylphenyl)-7-((2-ethoxyethyl)thio)-4-methyl-1H-pyrazolo[3,4-d]pyridazine CAS 1105237-98-6

Description

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.

1-(3,4-Dimethylphenyl)-7-((2-ethoxyethyl)thio)-4-methyl-1H-pyrazolo[3,4-d]pyridazine (CAS 1105237-98-6), molecular formula C18H22N4OS and molecular weight 342.46 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C18H22N4OS, 1-(3,4-Dimethylphenyl)-7-((2-ethoxyethyl)thio)-4-methyl-1H-pyrazolo[3,4-d]pyridazine contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 342.46 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

As a certified reference material (CRM), 1-(3,4-Dimethylphenyl)-7-((2-ethoxyethyl)thio)-4-methyl-1H-pyrazolo[3,4-d]pyridazine 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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