Wikipedia:  

DL-Methionine sulfoxide

(2S)-2-amino-4-[(R)-methylsulfinyl]butanoate; L-METHIONINE_SULFOXIDE; 2-Amino-4-(methylsulfinyl)butyric acid; methionine sulfoxide; 2-Amino-4-(methylsulfinyl)butanoic acid; L-methionine-S-sulfoxide; L-methionine S-oxide; L-methionine sulfoxide; Butyric acid, 2-amino-4-(methylsulfinyl)-; (1)-2-Amino-4-(methylsulphinyl)butyric acid; Uethionine, S-oxide
Molecular Formula
C5 H11 N O3 S
Natural Isotopic Abundance Mass
165.21074
Mono-Isotopic Molecular Masses
C12N14:   165.0459639146
C13N14:   170.0627381036
C12N15:   166.0429988078
C13N15:   171.0597729968
DL-Methionine sulfoxide image
DL-Methionine sulfoxide
InCHi String:
InChI=1S/C5H11NO3S/c1-10(9)3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)

canonical and isomeric SMILES:
CS(=O)CCC(C(=O)O)N


PUBCHEM iupac NAME: PUBCHEM iupac CAS NAME
2-amino-4-methylsulfinylbutanoic acid

PUBCHEM iupac TRADITIONAL NAME
2-amino-4-methylsulfinyl-butyric acid

PUBCHEM iupac OPENEYE NAME: PUBCHEM iupac SYSTEMATIC NAME
2-amino-4-methylsulfinyl-butanoic acid



PubChem Substance (SID):   85165189   46508428   2890
PubChem Compound (CID):   847
KEGG: Compound ID   n/a
CAS Registry IDs:   4241-59-2   454-41-1   62697-73-8
PDB Chemical Component   MHO   SME
Miscellaneous Databases and IDs:   Sigma-Aldrich 64430_FLUKA   ChemIDplus 062697738   ChemSpider 824   EINECS 207-225-5   DrugBank DB02467   ChemDB 4116650

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.