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Merck

76526

L-Leucine

certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

Synonym(s):

(S)-2-Amino-4-methylpentanoic acid

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About This Item

Linear Formula:
(CH3)2CHCH2CH(NH2)CO2H
CAS Number:
Molecular Weight:
131.17
E Number:
E641
PubChem Substance ID:
eCl@ss:
32160406
UNSPSC Code:
41116107
NACRES:
NA.24
EC Number:
200-522-0
MDL number:
Beilstein/REAXYS Number:
1721722

Product Name

L-Leucine, certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

InChI

1S/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t5-/m0/s1

InChI key

ROHFNLRQFUQHCH-YFKPBYRVSA-N

SMILES string

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

grade

certified reference material
TraceCERT®

product line

TraceCERT®

analyte chemical class(es)

amino acids, peptides, proteins

manufacturer/tradename

Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

color

white

mp

>300 °C (lit.)

application(s)

cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care

format

neat

storage temp.

20-25°C

Quality Level

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Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

General description

L-Leucine is an important and essential branched chain amino acid. It shows activity with the mechanistic target of rapamycin(mTOR) pathway, involved in the synthesis of proteins and satiety.
This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.
Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com.

Check out the entire portfolio of our amino acids certified reference materials (CRM)

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Legal Information

TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class

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’.

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Mullin.EG, et al. et al.
Integrative Weight Management: A Guide for Clinicians (2014)
Fleck M and Petrosyan.MA et al.
Salts of Amino Acids: Crystallization, Structure and Properties (2014)
T Yoshimasa et al.
The Journal of clinical investigation, 69(3), 643-650 (1982-03-01)
To elucidate the physiological and pathophysiological significance of methionine- and leucine-enkephalin (Met-and Leu-enkephalin, respectively) in human sympathoadrenal system, the contents of these peptides in normal human sympathetic nervous system, adrenal medulla, and pheochromocytomas were determined by specific radioimmunoassays combined with
Marika Leenders et al.
Nutrition reviews, 69(11), 675-689 (2011-10-28)
Amino acids function as precursors for de novo protein synthesis. In addition, however, they play a key role as nutritional signals that regulate multiple cellular processes. There is ample in vitro and in vivo evidence showing that muscle tissue responds
William I A Haynes et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 33(11), 4804-4814 (2013-03-15)
The identification of a hyperdirect cortico-subthalamic nucleus connection highlighted the important role of the subthalamic nucleus (STN) in regulating behavior. However, this pathway was shown primarily from motor areas. Hyperdirect pathways associated with cognitive and motivational cortical regions are particularly

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