Description

Fmoc-Lys(Boc)-Cys(Psi(Me,Me)Pro)-Oh is a specialized, non-natural amino acid derivative designed for advanced peptide synthesis. This compound is critical for introducing structural constraints and enhancing the metabolic stability of therapeutic peptides. It is primarily utilized by research institutions and pharmaceutical companies engaged in the development of novel peptide-based drugs and bioconjugates. The product, with CAS number 2022956-38-1, is engineered for high-precision applications in medicinal chemistry.

Application

• Solid-Phase Peptide Synthesis (SPPS): A key building block for the Fmoc-strategy synthesis of complex peptides.
• Peptidomimetic Drug Discovery: Used to create peptide analogs with improved bioavailability and receptor selectivity.
• Constrained Peptide Engineering: Incorporates a pseudoproline dipeptide mimetic to facilitate difficult peptide couplings and prevent aggregation.
• Bioconjugation and Labeling: Serves as a functionalized intermediate for attaching peptides to other molecules or surfaces.
• Academic and Industrial R&D: Essential for research into new peptide structures and their biological activities.

Basic Information

Product Name	Fmoc-Lys(Boc)-Cys(Psi(Me,Me)Pro)-Oh
CAS No.	2022956-38-1
Molecular Formula	C35H46N4O8S
Molecular Weight	682.83 g/mol
Synonyms	Fmoc-Lys(Boc)-Cys(ψMe,Mepro)-OH; N-α-Fmoc-N-ε-Boc-L-lysyl-S-[2,2-dimethyl-1,3-thiazolidine-4-carbonyl]-L-cysteine; Fmoc-Lys(Boc)-Cys(ψMe,MePro)-OH; Fmoc-L-Lys(Boc)-L-Cys[ψ(Me,Me)Pro]-OH; Pseudoproline Dipeptide Derivative; Fmoc-Protected Pseudoproline Building Block; Advanced Peptide Coupling Reagent; Thiazolidine-based Amino Acid Derivative
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Every batch of Fmoc-Lys(Boc)-Cys(Psi(Me,Me)Pro)-Oh is analyzed to meet high-purity specifications suitable for pharmaceutical research and peptide synthesis. Certificates of Analysis (COA) with detailed HPLC purity data are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below in a freezer. This product is hygroscopic (moisture-sensitive) and should be kept under anhydrous conditions. Allow the sealed container to reach room temperature before opening to prevent condensation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/MS)	Conforms
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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