Product Description 3,4-Dihydroxy-DL-phenylalanine Other Details Molecular Formula: C9H11NO4 Molecular Weight: 197.19 CAS Number: 63-84-3 Minimum Purity: 0.98 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: 0 Leadtime:0