Product Description 3,4-Dihydroxybenzoic acid Other Details Molecular Formula: C7H6O4 Molecular Weight: 154.12 CAS Number: 99-50-3 Minimum Purity: 99% (HPLC) UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 5g Leadtime:20 Days Sizes 2: 25g Leadtime:20 Days Sizes 3: 100g Leadtime:20 Days