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76526

Supelco

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:
61-90-5
Molecular Weight:
131.17
Beilstein/REAXYS Number:
1721722
EC Number:
200-522-0
MDL number:
MFCD00002617
UNSPSC Code:
41116107
eCl@ss:
32160406
PubChem Substance ID:
329767169
E Number:
E641
NACRES:
NA.24

grade

certified reference material
TraceCERT®

Quality Level

300

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

SMILES string

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

InChI key

ROHFNLRQFUQHCH-YFKPBYRVSA-N

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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)

Application

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

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_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCCG1974
BCBW2046
BCBQ9518V
BCBH4253V
BCBB4008V

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If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

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Fleck M and Petrosyan.MA et al.
Salts of Amino Acids: Crystallization, Structure and Properties (2014)
Mullin.EG, et al. et al.
Integrative Weight Management: A Guide for Clinicians (2014)
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
Qian Wang et al.
Journal of the National Cancer Institute, 105(19), 1463-1473 (2013-09-21)
L-type amino acid transporters (LATs) uptake neutral amino acids including L-leucine into cells, stimulating mammalian target of rapamycin complex 1 signaling and protein synthesis. LAT1 and LAT3 are overexpressed at different stages of prostate cancer, and they are responsible for
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
View All Related Papers

Protocols

GC Analysis of Amino Acids (as TBDMS Derivatives) on SLB®-5ms (20 m x 0.18 mm I.D., 0.18 μm), Fast GC Analysis

Separation of L-Alanine; Glycine; L-Valine; L-Leucine; L-Isoleucine; L-Proline; L-Methionine; L-Serine; L-Threonine; L-Phenylalanine; L-Aspartic acid; L-4-Hydroxyproline; L-Cysteine; L-Glutamic acid; L-Asparagine; L-Lysine; L-Glutamine; L-Histidine; L-Tyrosine; L-Tryptophan; L-Cystine

Chromatograms

application for HPLC

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