51145
L-Tryptophan
certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
Synonym(s):
(S)-2-Amino-3-(3-indolyl)propionic acid, L-α-Amino-3-indolepropionic acid
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About This Item
Empirical Formula (Hill Notation):
C11H12N2O2
CAS Number:
Molecular Weight:
204.23
Beilstein:
86197
EC Number:
MDL number:
UNSPSC Code:
41116107
eCl@ss:
32160406
PubChem Substance ID:
NACRES:
NA.24
Recommended Products
grade
certified reference material
TraceCERT®
Quality Level
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
280-285 °C (dec.) (lit.)
application(s)
food and beverages
format
neat
SMILES string
N[C@@H](Cc1c[nH]c2ccccc12)C(O)=O
InChI
1S/C11H12N2O2/c12-9(11(14)15)5-7-6-13-10-4-2-1-3-8(7)10/h1-4,6,9,13H,5,12H2,(H,14,15)/t9-/m0/s1
InChI key
QIVBCDIJIAJPQS-VIFPVBQESA-N
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General description
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)
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.
Other Notes
Amino acid precursor of serotonin and melatonin
Caution
Store under Argon
Legal Information
TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany
Storage Class Code
13 - Non Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Dirk E M Geurts et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 33(48), 18932-18939 (2013-11-29)
Adaptive decision-making involves interaction between systems regulating Pavlovian and instrumental control of behavior. Here we investigate in humans the role of serotonin in such Pavlovian-instrumental transfer in both the aversive and the appetitive domain using acute tryptophan depletion, known to
Kei Hiruma et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(23), 9589-9594 (2013-05-23)
The hypersensitive response (HR) is a type of strong immune response found in plants that is accompanied by localized cell death. However, it is unclear how HR can block a broad range of pathogens with different infective modes. In this
George Anderson et al.
Progress in neuro-psychopharmacology & biological psychiatry, 42, 101-114 (2012-08-30)
Schizophrenia and depression are two common and debilitating psychiatric conditions. Up to 61% of schizophrenic patients have comorbid clinical depression, often undiagnosed. Both share significant overlaps in underlying biological processes, which are relevant to the course and treatment of both
George Anderson et al.
Advances in protein chemistry and structural biology, 88, 27-48 (2012-07-21)
A recent study--comparing those with depression, somatization, comorbid depression+somatization, and controls--showed specific changes in the tryptophan catabolite (TRYCAT) pathway in somatization, specifically lowered tryptophan and kynurenic acid, and increased kynurenine/kynurenic acid (KY/KA) and kynurenine/tryptophan ratios. These findings suggest that somatization
Heidi Barth et al.
Critical reviews in microbiology, 40(4), 360-368 (2012-11-24)
Indoleamine-2,3-dioxygenase (IDO) is an enzyme that catabolises tryptophan - an essential amino acid critical for T cell proliferation. Initially recognized as a first line of host defense against infectious pathogens, IDO has been subsequently identified as an important immune-regulator inhibiting
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