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Safety Information

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:
61-90-5
Molecular Weight:
131.17
FEMA Number:
3297
Beilstein:
1721722
EC Number:
200-522-0
Council of Europe no.:
10482
MDL number:
MFCD00002617
UNSPSC Code:
12164502
PubChem Substance ID:
24901619
Flavis number:
17.012
NACRES:
NA.21

biological source

plant

Quality Level

400

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

food allergen

no known allergens

Organoleptic

odorless

SMILES string

CC(C)C[C@H](N)C(O)=O

InChI

1S/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t5-/m0/s1

InChI key

ROHFNLRQFUQHCH-YFKPBYRVSA-N

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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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

W329703-SAMPLE:
W329703-5KG:
W329703-1KG:
W329703-BULK-K:
W329703-SAMPLE-K:
W329703-VAR-K:
W329703-100G:
W329703-5KG-K:
W329703-100G-K:
W329703-1KG-K:

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Certificates of Analysis (COA)

Lot/Batch Number
SHBN0670
SHBM1632
SHBL5999
MKCJ3721
MKCF9727

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Whey proteins in the regulation of food intake and satiety.
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Journal of the American College of Nutrition, 26(6), 704S-712S (2007)
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Chromatograms

application for HPLC

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