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Sigma-Aldrich

L-Leucine-13C6

98 atom % 13C, 95% (CP)

Synonym(s):

SILAC Amino Acid, (S)-2-Amino-4-methylpentanoic acid-13C6, 13C Labeled L-leucine

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About This Item

Linear Formula:
(13CH3)213CH13CH213CH(NH2)13CO2H
CAS Number:
201740-84-3
Molecular Weight:
137.13
MDL number:
MFCD00144634
UNSPSC Code:
12352209
PubChem Substance ID:
329759047
NACRES:
NA.12

isotopic purity

98 atom % 13C

Quality Level

200

Assay

95% (CP)

form

solid

optical activity

[α]25/D +14.5°, c = 2 in 5 M HCl

technique(s)

protein expression: suitable

mp

>300 °C (lit.)

mass shift

M+6

SMILES string

[13CH3][13CH]([13CH3])[13CH2][13C@H](N)[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

InChI key

ROHFNLRQFUQHCH-IQUPZBQQSA-N

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General description

Leucine is a non-polar ketogenic amino acid. It can be metabolised to acetoacetate and acetyl coenzyme A. Isotope labeled amino acids are required for the production of isotopically labeled proteins.

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.

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’.

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Harvey RA, et al.
Biochemistry (Lippincott's illustrated reviews) (2011)
Garrett RH and Grisham CM
Biochemistry (2012)
The incorporation of radioactive amino acids into proteins of the microsome fraction of guinea-pig liver at very short time intervals after administration.
Simkin JL and Sutton CR
The Biochemical Journal, 77, 489-492 (1960)
Incorporation of radioactive amino acids into proteins of the microsome fraction of guinea-pig liver in a cell-free system.
SIMKIN JL and WORK TS
The Biochemical Journal, 67, 617-624 (1957)
Isotope labeling for solution and solid-state NMR spectroscopy of membrane proteins.
Verardi R, et al.
Advances in Experimental Medicine and Biology, 992, 35-62 (2012)

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