Wikipedia:  

L-Arginine

L-(+)-Arginine; (S)-2-Amino-5-guanidinovaleric acid; L-Arginine; (S)-2-Amino-5-((aminoiminomethyl)amino)pentanoic acid; L-Ornithine, N5-(aminoiminomethyl)-; (L)-Arginine; Arginine; Pentanoic acid, 2-amino-5-((aminoiminomethyl)amino)-, (S)-; L-alpha-Amino-delta-guanidinovaleric acid; 1-Amino-4-guanidovaleric acid; L-Norvaline, 5-((aminoiminomethyl)amino)-
Molecular Formula
C6 H14 N4 O2
Natural Isotopic Abundance Mass
174.2009600000
Mono-Isotopic Molecular Masses
C12N14:   174.111675714
C13N14:   180.131804741
C12N15:   178.099815287
C13N15:   184.119944314
L-Arginine image
L-Arginine
InCHi String:
InChI=1S/C6H14N4O2/c7-4(5(11)12)2-1-3-10-6(8)9/h4H,1-3,7H2,(H,11,12)(H4,8,9,10)/t4-/m0/s1

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


IUPAC
(2S)-2-amino-5-(diaminomethylideneamino)pentanoic acid

IUPAC traditional: IUPAC cas: IUPAC openeye
(2S)-2-amino-5-guanidino-pentanoic acid



PubChem Substance (SID):   85164878   149262   3362
PubChem Compound (CID):   6322
KEGG: Compound ID   C00062
CAS Registry IDs:   142-49-4   7004-12-8   74-79-3
PDB Chemical Component   ARG   ARG_LFOH
Miscellaneous Databases and IDs:   CHEBI 16467   Beilstein Handbook Reference 4-04-00-02648   CCRIS 3609   HSDB 1429   EINECS 200-811-1   NSC 206269

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.