Wikipedia:  

L(+)-Selenomethionine

Seleno-L-methionine; Selenium-L-methionine; (S)-2-Amino-4-(methylseleno)butanoic acid; Butyric acid, 2-amino-4-(methylselenyl)-, L-; Butanoic acid, 2-amino-4-(methylseleno)-, (S)-; L-Selenomethioninum
Molecular Formula
C5 H11 N O2 Se
Natural Isotopic Abundance Mass
196.1063400000
Mono-Isotopic Molecular Masses
C12N14:   196.995500402
C13N14:   202.012274591
C12N15:   197.992535296
C13N15:   203.0093094847
L(+)-Selenomethionine image
L(+)-Selenomethionine
InCHi String:
InChI=1S/C5H11NO2Se/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)/t4-/m0/s1

isomeric SMILES:
C[Se]CC[C@@H](C(=O)O)N
canonical SMILES:
C[Se]CCC(C(=O)O)N


IUPAC
(2S)-2-amino-4-methylselanyl-butanoic acid

IUPAC traditional: IUPAC cas
(2S)-2-amino-4-methylseleno-butanoic acid



PubChem Substance (SID):   85164992   682499
PubChem Compound (CID):   105024
KEGG: Compound ID   n/a
CAS Registry IDs:   3211-76-5
PDB Chemical Component   MSE
Miscellaneous Databases and IDs:   n/a

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.