Merck
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I2752

Sigma-Aldrich

L-Isoleucine

reagent grade, ≥98% (HPLC)

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.26

grade

reagent grade

Quality Level

Assay

≥98% (HPLC)

form

powder

color

white

mp

288 °C (dec.) (lit.)

solubility

1 M NH4OH: 50 mg/mL

application(s)

detection

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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This Item
I740356241I5281
L-Isoleucine reagent grade, ≥98% (HPLC)

Sigma-Aldrich

I2752

L-Isoleucine

L-Isoleucine from non-animal source, meets EP, JP, USP testing specifications, suitable for cell culture, 98.5-101.0%

Sigma-Aldrich

I7403

L-Isoleucine

L-Isoleucine certified reference material, TraceCERT®

Supelco

56241

L-Isoleucine

L-Isoleucine

SAFC

I5281

L-Isoleucine

grade

reagent grade

grade

-

grade

certified reference material, TraceCERT®

grade

-

assay

≥98% (HPLC)

assay

98.5-101.0%

assay

-

assay

≥98.5%

form

powder

form

powder

form

-

form

crystalline powder

color

white

color

white

color

white

color

-

mp

288 °C (dec.) (lit.)

mp

288 °C (dec.) (lit.)

mp

288 °C (dec.) (lit.)

mp

288 °C (dec.) (lit.)

solubility

1 M NH4OH: 50 mg/mL

solubility

1 M HCl: 50 mg/mL

solubility

-

solubility

1 M HCl: 50 mg/mL

Application

L-Isoleucine has been used in capillary feeder (CAFE) assay in a study to determine the consumption of amino acids by Drosophila melanogaster. It has also been used as one of the components of an amino acid mixture, which is used as a supplement for synthetic complete (SC) media.

Biochem/physiol Actions

L-Isoleucine is an isomer of L-leucine and is an essential amino acid. It is synthesized from threonine and is a branched-chain hydrophobic amino acid.

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

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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