Synonyms(S)-2-Amino-4-(methylselanyl)butanoic acid Close (S)-2-Amino-4-(methylselanyl)butanoic acid Related products L-Selenomethionine M.F. M.W. 196.1 CAT# AR-S09395 CAS# 3211-76-5 Selenomethionine M.F. M.W. 196.12 CAT# AR-S09533 CAS# 1464-42-2 Selenomethionine Se 75 M.F. M.W. 192.07 CAT# AR-S09534 CAS# 1187-56-0