Product Description Phentolamine HCl Other Details Molecular Formula: C17H19N3O.HCl Molecular Weight: 317.81 CAS Number: 73-05-2 Minimum Purity: >95% UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 10mg Leadtime:20 Days Sizes 2: 50mg Leadtime:20 Days Sizes 3: 100mg Leadtime:20 Days