MS/MS Enzyme Assay Substrates, Internal Standards, and Products are available for purchase individually.  See our enzyme-specific cocktails for an all-in-one solution to enzyme assays.

Heparan-α-glucosaminide N-acetyltransferase Internal Standard for MS/MS Assays

Sulfamidase Substrate for MS/MS Assays

Sulfamidase Product for MS/MS Assays

Lysosomal Acid Lipase Internal Standard for MS/MS Assays

Palmitoyl Protein Thioesterase 1 Substrate for MS/MS & Fluorimetric Assays

Palmitoyl Protein Thioesterase 1 Product for MS/MS Assays

Tripeptidyl Peptidase 1 Internal Standard for MS/MS Assays

Acid α-glucosidase Substrate for MS/MS Assays

Acid α-glucosidase Product for MS/MS Assays

α-Galactosidase A Internal Standard for MS/MS Assays

α-L-Fucosidase Substrate for MS/MS Assays

α-L-Fucosidase assay Product for MS/MS Assays

α-Mannosidase Internal Standard

β-Galactosidase Substrate for MS/MS Assays

β-Galactosidase Product for MS/MS Assays

Biotinidase Internal Standard for MS/MS Assays

Galactose-1-phosphate uridylyltransferase Substrate reagent for MS/MS Assays