Skip to Content
Merck
CN

V900470

L-Tryptophan

≥98%, Vetec™

Synonym(s):

(S)-2-Amino-3-(3-indolyl)propionic acid, L-α-Amino-3-indolepropionic acid

Sign In to View Organizational & Contract Pricing.

Select a Size

About This Item

Empirical Formula (Hill Notation):
C11H12N2O2
CAS Number:
73-22-3
Molecular Weight:
204.23
UNSPSC Code:
12352209
PubChem Substance ID:
329829871
EC Number:
200-795-6
Beilstein/REAXYS Number:
86197
MDL number:
MFCD00064340

Key Documents

View All Documentation
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Product Name

L-Tryptophan, Vetec™, reagent grade, ≥98%

assay

≥98%

form

powder

InChI key

QIVBCDIJIAJPQS-VIFPVBQESA-N

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

SMILES string

N[C@@H](Cc1c[nH]c2ccccc12)C(O)=O

grade

reagent grade

product line

Vetec™

color

white to off-white

mp

280-285 °C (dec.) (lit.)

Looking for similar products? Visit Product Comparison Guide

Other Notes

Amino acid precursor of serotonin and melatonin

Legal Information

Vetec is a trademark of Merck KGaA, Darmstadt, Germany

Storage Class

11 - Combustible Solids

wgk

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
WXBF1813V
WXBD5028V
WXBC8754V
WXBC5903V
WXBB1142

Don't see the Right Version?

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

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

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
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
Michael Platten et al.
Cancer research, 72(21), 5435-5440 (2012-10-24)
Tryptophan catabolism in cancer is increasingly being recognized as an important microenvironmental factor that suppresses antitumor immune responses. It has been proposed that the essential amino acid tryptophan is catabolized in the tumor tissue by the rate-limiting enzyme indoleamine-2,3-dioxygenase (IDO)
Annemieke T van der Goot et al.
Trends in molecular medicine, 19(6), 336-344 (2013-04-09)
Aging is an important risk factor for many debilitating diseases, including cancer and neurodegeneration. In model organisms, interfering with metabolic signaling pathways, including the insulin/insulin-like growth factor (IGF) 1 (IIS) and TOR pathways, can protect against age-related pathologies and increase
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
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service