For phenotype confirmation of S. typhimurium Ames strains. Tests for histidine auxotrophy, pKM101, & pAQ1 presence. Supplied w/ crystal violet discs. MOLTOX prepared media and media components are specifically formulated for use in bacterial mutagenicity assays. Minimal Glucose agars, top agars, master plates, nutrient broth and phenotype confirmation media are prepared with various formulations for specialized laboratory needs. If your laboratory uses a specifically modified formulation or packaging, contact us for a full assessment.