Description

n-Oxalylcysteine is a specialized cysteine derivative where the amino group is protected by an oxalyl moiety. This compound is valued for its role as a key synthetic intermediate and research chemical in advanced organic synthesis and pharmaceutical development. It is primarily utilized by researchers and manufacturers in the pharmaceutical, biotechnology, and fine chemical sectors for applications such as peptide synthesis and the study of biochemical pathways.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Peptide Synthesis: Used as a protected cysteine derivative in solid-phase and solution-phase peptide synthesis to prevent unwanted side reactions.
• Biochemical Research: Employed as a tool compound in enzymatic studies and research into cellular redox processes and metabolism.
• Fine Chemical Synthesis: Acts as a versatile intermediate for creating custom-designed molecules in specialty and custom synthesis projects.
• Reference Standard: Used as a high-purity analytical standard in quality control laboratories for method development and validation.

Basic Information

Product Name	n-Oxalylcysteine
CAS No.	106984-15-0
Molecular Formula	C5H7NO5S
Molecular Weight	193.18 g/mol
Synonyms	N-Oxalyl-L-cysteine; Oxalylcysteine; L-Cysteine, N-oxalyl-; (2R)-2-(Oxalylamino)-3-sulfanylpropanoic acid; NSC 339587; Cysteine oxalyl derivative; Oxalyl protected cysteine
EINECS	Contact for details

Quality Control

Our n-Oxalylcysteine is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling, to ensure it meets stringent specifications for research and industrial use. Certificates of Analysis (COA) documenting all test results are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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