Description

Cysteine, n-(1-Methylethyl)- (9Ci) is a specialized cysteine derivative, a key building block in advanced organic synthesis and pharmaceutical research. Its modified structure offers unique reactivity and steric properties, making it valuable for creating novel peptide mimetics and chiral ligands. This compound is primarily utilized by research institutions and industrial R&D departments focused on developing new bioactive molecules, pharmaceutical intermediates, and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the research and development of novel active pharmaceutical ingredients (APIs), particularly for drugs targeting neurological and metabolic pathways.
• Peptidomimetic Research: Used to synthesize non-natural amino acid analogs and peptide mimetics for drug discovery programs, enhancing metabolic stability and bioavailability.
• Catalyst and Ligand Synthesis: Acts as a precursor for chiral ligands and organocatalysts used in asymmetric synthesis to create enantiomerically pure compounds.
• Biochemical Research: Employed in proteomics and enzymology studies to investigate protein structure-function relationships and enzyme inhibition mechanisms.
• Fine Chemical Production: Utilized in the multi-step synthesis of complex, high-value specialty chemicals for agrochemical and material science applications.

Basic Information

Product Name	Cysteine, n-(1-Methylethyl)- (9Ci)
CAS No.	403804-42-2
Molecular Formula	C6H13NO2S
Molecular Weight	163.24 g/mol
Synonyms	N-Isopropylcysteine; N-(1-Methylethyl)cysteine; 2-Amino-3-[(1-methylethyl)amino]propanoic acid; L-Cysteine, N-isopropyl- (8CI); Isopropylcysteine; N-Isopropyl-L-cysteine; (2R)-2-Amino-3-(propan-2-ylamino)propanoic acid
EINECS	Contact for details

Quality Control

Our Cysteine, n-(1-Methylethyl)- (9Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis, and identity confirmation via IR and NMR spectroscopy. We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity	≥ 98.0% ee
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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