Product Description 4-carboxymethylbenzoic acid Other Details Molecular Formula: C9H8O4 Molecular Weight: 180.16 CAS Number: 501-89-3 Minimum Purity: 0.95 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