SHEET /m/citrulline · PubChem CID 9750 · CAS 372-75-8 · REV 2026.07
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Citrulline
from sourceC6H13N3O3 · 175.19 g/mol
delta-Ureidonorvaline · δ-ureidonorvaline · L-Cytrulline
What is Citrulline?
An amino acid first isolated from watermelon, hence the name from Citrullus. The body turns it into arginine and then nitric oxide. from source
CategoryBody
LeaderboardsBiggest
Fig. 1 · 2D structure RDKit
SMILES
C(C[C@@H](C(=O)O)N)CNC(=O)NWhere you'll find it
Your own body makes this one. It is not an ingredient you buy. See the rest of the body group.
Toxicity & hazards
WarningIrritantH315, H319from source
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Where Citrulline leads
Relatedcomputed
Ornithine54% similarBoth carry a carboxylic acid and an amine group.Lysine52% similarBoth carry a carboxylic acid and an amine group.Glutamine48% similarBoth carry a carboxylic acid and an amine group.Glutamic acid45% similarBoth carry a carboxylic acid and an amine group.Homocysteine45% similarBoth carry a carboxylic acid and an amine group.Theanine44% similarBoth carry a carboxylic acid and an amine group.