Merck
All Photos(1)

W527602

Sigma-Aldrich

L-Isoleucine

99%, FCC, FG

Synonym(s):
(2S,3S)-2-Amino-3-methylpentanoic acid
Linear Formula:
C2H5CH(CH3)CH(NH2)CO2H
CAS Number:
Molecular Weight:
131.17
Beilstein:
1721792
EC Number:
MDL number:
eCl@ss:
32160406
PubChem Substance ID:
NACRES:
NA.21

biological source

synthetic

Quality Level

grade

FG

reg. compliance

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

assay

99%

form

crystalline powder

optical activity

[α]20/D +38.6 to +42.5°, c = 4 in 6 M HCl

mp

288 °C (dec.) (lit.)

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

Organoleptic

odorless

SMILES string

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

InChI

1S/C6H13NO2/c1-3-4(2)5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t4-,5-/m0/s1

InChI key

AGPKZVBTJJNPAG-WHFBIAKZSA-N

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General description

L-Isoleucine is an essential amino acid used as a supplement in sports nutrition. It is one of the free-amino acids found in common buckwheat.

Packaging

100 g in poly bottle
1 kg in poly bottle

Storage Class Code

13 - Non 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

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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