Wikipedia:  

L-Citrulline

L-Citrulline; N(delta)-Carbamylornithine; N5-Carbamoyl-L-ornithine; delta-Ureidonorvaline; Cit; Ornithine, N5-carbamoyl-, L- (8CI); Ornithine, N5-(aminocarbonyl)-; alpha-Amino-delta-ureidovaleric acid; N5-(Aminocarbonyl)ornithine; CITRULLINE; 2-Amino-5-ureidovaleric acid
Molecular Formula
C6 H13 N3 O3
Natural Isotopic Abundance Mass
175.1857200000
Mono-Isotopic Molecular Masses
C12N14:   175.095691299
C13N14:   181.115820326
C12N15:   178.086795979
C13N15:   184.1069250056
L-Citrulline image
L-Citrulline
InCHi String:
InChI=1S/C6H13N3O3/c7-4(5(10)11)2-1-3-9-6(8)12/h4H,1-3,7H2,(H,10,11)(H3,8,9,12)/t4-/m0/s1

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


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

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

IUPAC systematic
(2S)-2-amino-5-(aminocarbonylamino)pentanoic acid



PubChem Substance (SID):   85164881   152965   3621
PubChem Compound (CID):   9750
KEGG: Compound ID   C00327
CAS Registry IDs:   372-75-8
PDB Chemical Component   n/a
Miscellaneous Databases and IDs:   CHEBI 16349   EINECS 206-759-6   NSC 27425

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.