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I2752

Sigma-Aldrich

L-Isoleucine

≥98% (HPLC)

Synonym(s):

(2S,3S)-2-Amino-3-methylpentanoic acid

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About This Item

Linear Formula:
C2H5CH(CH3)CH(NH2)CO2H
CAS Number:
Molecular Weight:
131.17
Beilstein:
1721792
EC Number:
MDL number:
UNSPSC Code:
12352209
eCl@ss:
32160406
PubChem Substance ID:
NACRES:
NA.26

product name

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

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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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.

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

I2752-BULK:
I2752-100G:
I2752-VAR:
I2752-10G:
I2752-1KG:
I2752-1G-KC:
I2752-25G:
I2752-5G:
I2752-1G:


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Inhibitory effect of aroma on the bitterness of branched-chain amino acid solutions.
Mukai J
Chemical & Pharmaceutical Bulletin, 55(11) (2007)
Conversion of ammonia or urea into essential amino acids,L-leucine,L-valine, andL-isoleucine using artificial cells containing an immobilized multienzyme system and dextran-NAD+
Applied Biochemistry and Biotechnology, 26 (1990)
Mated Drosophila melanogaster females consume more amino acids during the dark phase
Shun U
PLoS ONE (2017)
Michel Fleck, Aram M. Petrosyan
Salts of Amino Acids: Crystallization, Structure and Properties (2014)
Large-scale Phenotypic Profiling of Gene Deletion Mutants in Candida glabrata
Fabian Istel
Bio-protocol (2015)

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