Induces β-galactosidase in bacteria
Isopropyl β-D-thiogalactopyranoside (non-animal origin)
Soluble in Water or Methanol.
98% by HPLC
Lead < 2ppm
Dioxane - not detected
Water - 0.38% (Karl Fischer)
Stable for 2 years as supplied. Solutions in distilled water or methanol may be stored at -20° for up to 3 months.