Product Description 4-Aminobenzenesulfinic acid Other Details Molecular Formula: C6H7NO2S Molecular Weight: 157.19 CAS Number: 7472-15-3 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 50mg Leadtime:65 Days Sizes 2: 100mg Leadtime:65 Days Sizes 3: 250mg Leadtime:65 Days