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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Reference substances

Reference substances

Currently viewing:
IUPAC name:
L-leucine

Inventory

EC number:
200-522-0
EC name:
L-leucine
CAS number:
61-90-5
CAS number:
61-90-5
Synonyms
Names:
(2S)-2-Amino-4-methylpentanoic acid
(S)-(+)-Leucine
(S)-2-Amino-4-methylpentanoic acid
(S)-2-Amino-4-methylvaleric acid
(S)-Leucine
L-(+)-Leucine
L-2-Amino-4-methylpentanoic acid
L-Leucine
L-Norvaline, 4-methyl-
L-α-Aminoisocaproic acid
Leu
Leucine
Pentanoic acid, 2-amino-4-methyl-, (S)-
Identifier:
IUPAC name
L-leucine
(2S)-2-amino-4-methylpentanoic acid

Molecular and structural information

Molecular formula:
C6H13NO2
Molecular weight:
131.173
SMILES notation:
CC(C)C[C@H](N)C(=O)O
InChl:
InChI=1/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)
Structural formula:
Chemical structure

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