Product Description Coumarin Other Details Molecular Formula: C9H6O2 Molecular Weight: 146.14 CAS Number: 91-64-5 Minimum Purity: 99% (GC), powder UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 100mg Leadtime:20 Days Sizes 2: 0 Leadtime:0 Sizes 3: 0 Leadtime:0