Product Description Z-Pyr-ONp Other Details Molecular Formula: C19H16N2O7 Molecular Weight: 384.34 CAS Number: 40356-52-3 Minimum Purity: 0.99 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