1-[(Triisopropylsilyl)ethynyl]-1,2-benziodoxol-3(1<I>H</I>)-one CAS 181934-30-5

Description

CATO manufactures 1-[(Triisopropylsilyl)ethynyl]-1,2-benziodoxol-3(1<I>H</I>)-one 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.

1-[(Triisopropylsilyl)ethynyl]-1,2-benziodoxol-3(1<I>H</I>)-one (CAS 181934-30-5), molecular formula C18H31IO2Si and molecular weight 434.43 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C18H31IO2Si, 1-[(Triisopropylsilyl)ethynyl]-1,2-benziodoxol-3(1<I>H</I>)-one contains a carboxylic acid group, a hydroxyl group, an ether linkage, iodine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 434.43 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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

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