MilliporeSigma
All Photos(3)

162698

Sigma-Aldrich

DL-Tryptophan

≥99% (HPLC)

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:
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

Looking for similar products? Visit Product Comparison Guide

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
T3300469971470031
DL-Tryptophan ≥99% (HPLC)

Sigma-Aldrich

162698

DL-Tryptophan

DL-Tryptophan ≥99% (HPLC)

Sigma-Aldrich

T3300

DL-Tryptophan

L-Tryptophanol 97%

Sigma-Aldrich

469971

L-Tryptophanol

D-Tryptophanol 97%

Sigma-Aldrich

470031

D-Tryptophanol

form

powder

form

powder

form

-

form

-

mp

289-290 °C (dec.) (lit.)

mp

289-290 °C (dec.) (lit.)

mp

73-77 °C (lit.)

mp

86-89 °C (lit.)

Quality Level

200

Quality Level

200

Quality Level

100

Quality Level

100

reaction suitability

reaction type: solution phase peptide synthesis

reaction suitability

-

reaction suitability

reaction type: solution phase peptide synthesis

reaction suitability

reaction type: solution phase peptide synthesis

application(s)

peptide synthesis

application(s)

-

application(s)

peptide synthesis

application(s)

peptide synthesis

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 Code

11 - 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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (Example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Customers Also Viewed

Slide 1 of 5

1 of 5

5-Methyl-DL-tryptophan tryptophan analog

Sigma-Aldrich

M0534

5-Methyl-DL-tryptophan

Tyrosine European Pharmacopoeia (EP) Reference Standard

T2900000

Tyrosine

L-Kynurenine ≥98% (HPLC)

Sigma-Aldrich

K8625

L-Kynurenine

L-Proline from non-animal source, meets EP, USP testing specifications, suitable for cell culture

Sigma-Aldrich

P5607

L-Proline

Solution-phase synthesis of chiral N-, O-, and S-acyl isopeptides
S Liaqat, et.al.
Synthesis, 46, 67-72 (2014)
Aristeidis Chiotellis et al.
Molecular pharmaceutics, 11(11), 3839-3851 (2014-07-06)
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)
Helen Ling et al.
Movement disorders : official journal of the Movement Disorder Society, 30(7), 960-967 (2015-04-10)
Glial cytoplasmic inclusions containing α-synuclein are the pathological hallmark of multiple system atrophy (MSA). Minimal change (MC-MSA) is an unusual MSA subtype with neuronal loss largely restricted to the substantia nigra and locus coeruleus. Immunohistochemistry on selected brain regions and
Kazuo Tatebayashi et al.
Nature communications, 6, 6975-6975 (2015-04-22)
The yeast high osmolarity glycerol (HOG) pathway activates the Hog1 MAP kinase, which coordinates adaptation to high osmolarity conditions. Here we demonstrate that the four-transmembrane (TM) domain protein Sho1 is an osmosensor in the HKR1 sub-branch of the HOG pathway.
C C K Hui et al.
Mucosal immunology, 8(5), 993-999 (2014-12-18)
Recent candidate gene and genome-wide association studies have identified "protective" associations between the single-nucleotide polymorphism (SNP) rs1837253 in the TSLP gene and risk for allergy, asthma, and airway hyperresponsiveness. The absence of linkage disequilibrium of rs1837253 with other SNPs in

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