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L-Tryptophan, 99%|231123|73-22-3

L-Tryptophan, 99%

Cat. No JKB08046_100_G
J&K Chemical

Product Information

Product Name
L-Tryptophan, 99%
Brand Name
J&K
Product Number
231123
CAS
73-22-3
Molecular Formula
C11H12N2O2
Molecular Weight
204.23
SDS Document
View/Download
Certificate of Analysis (COA)​
COA not found

General Information

Synonyms
  • (S)-2-Amino-3-(3-indolyl)propionic acid
  • L-α-Amino-3-indolepropionic acid
PubChem CID
6305
IUPAC Name
(2S)-2-amino-3-(1H-indol-3-yl)propanoic acid
InChI Key
QIVBCDIJIAJPQS-VIFPVBQESA-N
SMILES
C1=CC=C2C(=C1)C(=CN2)CC@@H(C(=O)O)N

Properties

Melting Point
280-285
Optical Activity
-29.5° to -33.5° (C=1, H2O)

References Data Source From Pubchem

Association between depression, nutritional status, and dietary intake in community-dwelling older adults: a cross-sectional analysis on baseline data of the Birjand longitudinal aging study (BLAS)
Publication Name: Journal of diabetes and metabolic disorders
Publication Date: 2026-06-03
DOI: 10.1007/s40200-025-01852-w|10.1007/s40200-026-01970-z

Author Correction: Multi-omics reveals terpenoid biosynthesis and antioxidant activity at maturity stage in Zanthoxylum armatum DC. fruits
Publication Name: npj Science of Food
Publication Date: 2026-04-24
DOI: 10.1038/s41538-025-00692-5|10.1038/s41538-026-00803-w

Therapeutic role of gut microbial metabolite indole propionic acid in a rat model of high-fat diet/Streptozotocin-Induced diabetes: enhancing glucose metabolism, antioxidant defense and PI3K/Akt/GLUT4 signaling pathway
Publication Name: Acta Diabetologica
Publication Date: 2026-02-18
DOI: 10.1007/s00592-026-02652-1

Correction: Bradyrhizobium dasycarpum sp. nov. a novel rhizobial species lacking canonical nod genes, isolated from the Moroccan endemic legume Retama dasycarpa
Publication Name: Antonie van Leeuwenhoek
Publication Date: 2026-01-13
DOI: 10.1007/s10482-026-02249-2|10.1007/s10482-026-02375-x

Pseudomonas sp. and Serratia odorifera: saline soil rhizoplane bacteria identified from Mamaghan (East Azarbaijan, Iran) that improve wheat seed germination under salinity stress
Publication Name: Protoplasma
Publication Date: 2025-08-23
DOI: 10.1007/s00709-025-02100-x

L-Tryptophan, 99%

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