Skip to Content
Merck
All Photos(1)

Documents

608092

Sigma-Aldrich

L-Isoleucine-13C6,15N

98 atom % 15N, 98 atom % 13C, 95% (CP)

Synonym(s):

SILAC Amino Acid, (2S,3S)-2-Amino-3-methylpentanoic acid-13C6,15N, 13C and 15N Labeled L-isoleucine

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
13C2H513CH(13CH3)13CH(15NH2)13CO2H
CAS Number:
Molecular Weight:
138.12
MDL number:
UNSPSC Code:
12352209
PubChem Substance ID:
NACRES:
NA.12

isotopic purity

98 atom % 13C
98 atom % 15N

Quality Level

Assay

95% (CP)

form

solid

optical activity

[α]25/D +40.0°, c = 2 in 5 M HCl

technique(s)

bio NMR: suitable
protein expression: suitable

mp

168-170 °C (lit.)

mass shift

M+7

SMILES string

[13CH3][13CH]([13CH3])[13CH2][13C@H]([15NH2])[13C](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/i1+1,2+1,3+1,4+1,5+1,6+1,7+1

InChI key

ROHFNLRQFUQHCH-HUEJSTCGSA-N

Looking for similar products? Visit Product Comparison Guide

General description

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

Application

L-Isoleucine-13C6,15N is used in the immunocapture isotope dilution mass spectrometry (IC-IDMS) to evaluate the suitability of the underlying monoclonal andpolyclonal antibodies (mAbs and pAbs) for new vaccine quantification.

Packaging

This product may be available from bulk stock and can be packaged on demand. For information on pricing, availability and packaging, please contact Stable Isotopes Customer Service.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service