Product Description Grubbs Catalyst, 1st Generation Other Details Molecular Formula: C43H72Cl2P2Ru Molecular Weight: 822.96 CAS Number: 172222-30-9 Minimum Purity: 0.97 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 250mg Leadtime:20 Days Sizes 2: 1g Leadtime:20 Days Sizes 3: 5g Leadtime:20 Days