62645-06-1 1(2H)-Phthalazinone, 4-(methylsulfonyl)- 1(2H)-Phthalazinone, 4-(methylsulfonyl)- Catalog No.: 368195 Name: 1(2H)-Phthalazinone, 4-(methylsulfonyl)- CAS: 62645-06-1 Formula: C9H8N2O3S Inquire about this product →