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W329703

Sigma-Aldrich

L-Leucine

99%, FG

Synonym(s):

(S)-2-Amino-4-methylpentanoic acid

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About This Item

Linear Formula:
(CH3)2CHCH2CH(NH2)CO2H
CAS Number:
Molecular Weight:
131.17
FEMA Number:
3297
Beilstein:
1721722
EC Number:
Council of Europe no.:
10482
MDL number:
UNSPSC Code:
12164502
PubChem Substance ID:
Flavis number:
17.012
NACRES:
NA.21
Grade:
FG
Kosher
Biological source:
plant
Food allergen:
no known allergens
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biological source

plant

Quality Level

grade

FG
Kosher

Agency

meets purity specifications of JECFA

reg. compliance

EU Regulation 1334/2008 & 178/2002
FDA 21 CFR 172.320
FDA 21 CFR 172.804

Assay

99%

optical activity

[α]20/D +15.5°, c = 2 in 6 M HCl

mp

>300 °C (lit.)

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

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General description

L-Leucine is a branched-chain amino acid mainly found in whey proteins.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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