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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:
73-22-3
Molecular Weight:
204.23
Beilstein:
86197
EC Number:
200-795-6
MDL number:
MFCD00064340
UNSPSC Code:
41116107
eCl@ss:
32160406
PubChem Substance ID:
329757672
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

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)

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

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCCG7365
BCBW2043
BCBR1025V
BCBH4262V
BCBB6618V

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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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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
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
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
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
Soenke Moehn et al.
The Journal of nutrition, 142(12), 2231S-2235S (2012-10-19)
Tryptophan is the precursor for several neurotransmitters and metabolic regulators, which, although quantitatively of little importance in determining the dietary requirement, have major importance for interpreting symptoms of dietary tryptophan deficiency and excess. The quantitative dietary tryptophan requirement appears to
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Protocols

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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

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