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162698

Sigma-Aldrich

DL-Tryptophan

≥99% (HPLC)

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Synonym(s):
(±)-α-Amino-3-indolepropionic acid, (±)-2-Amino-3-(3-indolyl)propionic acid, DL-3β-Indolylalanine
Empirical Formula (Hill Notation):
C11H12N2O2
CAS Number:
Molecular Weight:
204.23
Beilstein/REAXYS Number:
86199
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

≥99% (HPLC)

form

powder

reaction suitability

reaction type: solution phase peptide synthesis

mp

289-290 °C (dec.) (lit.)

application(s)

peptide synthesis

SMILES string

NC(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)

InChI key

QIVBCDIJIAJPQS-UHFFFAOYSA-N

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This Item
T3300T025493659
DL-Tryptophan ≥99% (HPLC)

162698

DL-Tryptophan

-
DL-Tryptophan ≥99% (HPLC)

T3300

DL-Tryptophan

-
L-Tryptophan reagent grade, ≥98% (HPLC)

T0254

L-Tryptophan

Essential Grade
L-Tryptophan BioUltra, ≥99.5% (NT)

93659

L-Tryptophan

Premium Grade
assay

≥99% (HPLC)

assay

≥99% (HPLC)

assay

≥98% (HPLC)

assay

≥99.5% (NT)

mp

289-290 °C (dec.) (lit.)

mp

289-290 °C (dec.) (lit.)

mp

280-285 °C (dec.) (lit.)

mp

280-285 °C (dec.) (lit.)

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

100

reaction suitability

reaction type: solution phase peptide synthesis

reaction suitability

-

reaction suitability

-

reaction suitability

-

application(s)

peptide synthesis

application(s)

-

application(s)

cell analysis

application(s)

cell analysis

General description

DL-Tryptophan also known as 2-amino-3-(1H-indol-3-yl)-propionic acid, is commonly used in peptide synthesis.

Application

DL-Tryptophan is used as a starting material for the preparation of N-acyl monoisotripeptides via solution-phase peptide synthesis.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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As a continuation of our research efforts toward the development of tryptophan-based radiotracers for tumor imaging with positron emission tomography (PET), three new fluoroethoxy tryptophan analogues were synthesized and evaluated in vivo. These new tracers (namely, 4-(2-[(18)F]fluoroethoxy)-dl-tryptophan ([(18)F]4-FEHTP), 6-(2-[(18)F]fluoroethoxy)-dl-tryptophan ([(18)F]6-FEHTP)
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