Product Description Ambrisentan Other Details Molecular Formula: C22H22N2O4 Molecular Weight: 378.42 CAS Number: 177036-94-1 Minimum Purity: 98% (HPLC) 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: 10g Leadtime:20 Days