Wikipedia:  

Selenomethionine

Butanoic acid, 2-amino-4-(methylseleno)-; Methionine, seleno; Seleno-DL-methionine; 2-Amino-4-(methylselenyl)butyric acid; DL-Selenomethionine; Butyric acid, 2-amino-4-(methylselenyl)-; Selenomethionine; (+-)-Selenomethionine; SELENIUM METHIONINE; Selenomethionine (van); Selenomethionine [USAN]
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
Selenomethionine image
Selenomethionine
InCHi String:
InChI=1S/C5H11NO2Se/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)

canonical SMILES:
C[Se]CCC(C(=O)O)N


IUPAC: IUPAC openeye: IUPAC systematic
2-amino-4-methylselanyl-butanoic acid

IUPAC traditional: IUPAC cas
2-amino-4-methylseleno-butanoic acid



PubChem Substance (SID):   85165095   158422   7713
PubChem Compound (CID):   15103
KEGG: Compound ID   C05335
CAS Registry IDs:   1464-42-2   2578-28-1
PDB Chemical Component   MSE
Miscellaneous Databases and IDs:   ChemIDplus 001464422   EINECS 215-977-0   CCRIS 3970   HSDB 3564

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.