API index of Reference standards for Mts And Sulfahydryl Active Compounds Category. MTS Reagents These are primarily a type of tetrazolium salt used in various assays, particularly the MTS assay, a colorimetric assay used to assess cell viability, proliferation, and cytotoxicity. and Sulfhydryl Active Compounds, These compounds contain a sulfhydryl group, also known as a thiol or mercaptan.
