Product Description Nisin, >900IU/mg Other Details Molecular Formula: C143H230N42O37S7 Molecular Weight: 3354.71 CAS Number: 1414-45-5 Minimum Purity: 0 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1g Leadtime:20 Days Sizes 2: 5g Leadtime:20 Days Sizes 3: 25g Leadtime:20 Days