Product Description Sennoside A Other Details Molecular Formula: C42H38O20 Molecular Weight: 862.74 CAS Number: 81-27-6 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: 500mg Leadtime:20 Days