Description

L-Tryptophan, 4-Nitro- CAS NO 639029-26-8 is a high-purity, chemically modified derivative of the essential amino acid L-tryptophan, featuring a nitro group substitution. This specific structural modification makes it a valuable and versatile advanced pharmaceutical intermediate and a critical building block for organic synthesis. It is primarily utilized by research institutions, pharmaceutical R&D departments, and fine chemical manufacturers engaged in developing novel bioactive compounds and complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly in neurological and metabolic research.
• Biochemical Research: Used as a substrate or a modified amino acid analog in enzymatic studies and metabolic pathway investigations.
• Peptide Synthesis: Acts as a specialized, nitro-substituted building block for the solid-phase or solution-phase synthesis of modified peptides with unique properties.
• Organic Synthesis: Employed in the construction of complex heterocyclic compounds and other nitrogen-containing molecules due to its reactive indole and nitro functional groups.
• Reference Standard: Used as a high-purity analytical standard in quality control laboratories for method development and validation.

Basic Information

Product Name	L-Tryptophan, 4-Nitro- CAS NO 639029-26-8
CAS No.	639029-26-8
Molecular Formula	C₁₁H₁₁N₃O₄
Molecular Weight	249.23 g/mol
Synonyms	(S)-2-Amino-3-(4-nitro-1H-indol-3-yl)propanoic acid; 4-Nitro-L-tryptophan; 4-Nitro-L-Trp; 4-NO₂-Trp; 4-Nitro-1H-indole-3-alanine; 4-Nitrotryptophan; L-4-Nitrotryptophan; 4-Nitro-DL-tryptophan (related mixture)
EINECS	Contact for details

Quality Control

Our L-Tryptophan, 4-Nitro- is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis to confirm enantiomeric purity, and spectroscopic identification. We provide full traceability and Certificates of Analysis (COA) are available for every shipment, detailing all critical quality attributes to ensure it meets your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	Yellow to orange powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% (L-isomer)
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.