139415-88-6 2-Azetidinone, 4-(methylsulfonyl)- 2-Azetidinone, 4-(methylsulfonyl)- Catalog No.: 2275736 Name: 2-Azetidinone, 4-(methylsulfonyl)- CAS: 139415-88-6 Formula: C4H7NO3S Inquire about this product →