Wikipedia:  

Betaine

Trimethylaminoacetic acid; Oxyneurine; Betaine; Trimethylglycocoll; Trimethylaminoacetate; (Carboxymethyl)trimethylammonium hydroxide, inner salt; Rubrine C; Loramine AMB 13; Glycylbetaine; Glycine, trimethylbetaine; BETAINE
Molecular Formula
C5 H11 N O2
Natural Isotopic Abundance Mass
117.1463400000
Mono-Isotopic Molecular Masses
C12N14:   117.078978603
C13N14:   122.095752792
C12N15:   118.076013496
C13N15:   123.0927876847
Betaine image
Betaine
InCHi String:
InChI=1S/C5H11NO2/c1-6(2,3)4-5(7)8/h4H2,1-3H3

isomeric and canonical SMILES:
C[N+](C)(C)CC(=O)[O-]


IUPAC: IUPAC traditional: IUPAC cas: IUPAC openeye
2-trimethylammonioacetate

IUPAC systematic
2-trimethylammonioethanoate



PubChem Substance (SID):   85164915   150977   3985
PubChem Compound (CID):   247
KEGG: Compound ID   C00719
CAS Registry IDs:   107-43-7   11042-12-9   24980-93-6   45631-77-4   590-30-7   590-46-5
PDB Chemical Component   BET
Miscellaneous Databases and IDs:   CHEBI 17750   EINECS 203-490-6   NSC 166511   Beilstein Handbook Reference 4-04-00-02369

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.