Products
Levonorgestrel EP Impurity B
Cat No.:D-L016502
Synonyms:(8R,9S,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-4,6,7,8,9,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one
CAS No.:19914-67-1
Molecular Formula: C21H28O2
Molecular Weight:312.45