SHEET /m/leucine · PubChem CID 6106 · CAS 61-90-5 · REV 2026.07
marquee
Leucine
from sourceC6H13NO2 · 131.17 g/mol
L-Leu · L-α-aminoisocaproic acid · leucovorin
What is Leucine?
A branched-chain amino acid and the one that most directly switches on muscle protein synthesis, which is why it heads the BCAA label. from source
CategoryBody
LeaderboardsBiggest
Fig. 1 · 2D structure RDKit
SMILES
CC(C)C[C@@H](C(=O)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
Toxicity · LD50
5,379 mg/kg · very low toxicity · LD50 rat other from source
Keep roaming
Where Leucine leads
Relatedcomputed
Aspartic acid55% similarBoth carry a carboxylic acid and an amine group.Asparagine52% similarBoth carry a carboxylic acid and an amine group.Alanine50% similarBoth carry a carboxylic acid and an amine group.Serine50% similarBoth carry a carboxylic acid and an amine group.Cysteine48% similarBoth carry a carboxylic acid and an amine group.Selenocysteine48% similarBoth carry a carboxylic acid and an amine group.