Product Description 3-Hydroxyisoxazole-5-carboxylic acid Other Details Molecular Formula: C4H3NO4 Molecular Weight: 129.07 CAS Number: 13626-60-3 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 100mg Leadtime:20 Days Sizes 2: 250mg Leadtime:20 Days Sizes 3: 1g Leadtime:20 Days