Description

l-Cysteine, S-[(acetylamino)methyl]-N-[N-[N-[N-[N-[N2-[N-[N-[N-[(1,1-dimethylethoxy)carbonyl]-l-phenylalanyl]-l-phenylalanyl]-l-tryptophyl]-N6-[[2-(methylsulfonyl)ethoxy]carbonyl]-l-lysyl]-l-threonyl]-l-phenylalanyl]-l-threonyl]-l-seryl]- is a complex, custom-synthesized peptide derivative designed for advanced research and development applications. This compound is critical for pharmaceutical and biotechnological research, particularly in the study of peptide-based therapeutics, enzyme inhibitors, and targeted drug delivery systems. It serves as a key intermediate or building block for scientists and manufacturers in the pharmaceutical, biotechnology, and advanced life sciences sectors requiring high-purity, specialized peptide sequences.

Application

• Pharmaceutical Research & Development (R&D): Serves as a crucial intermediate in the synthesis of novel peptide-based drug candidates and active pharmaceutical ingredients (APIs).
• Bioconjugation & Probe Development: Used in the creation of labeled peptides for diagnostic assays, imaging agents, and targeted molecular probes due to its functionalized side chains.
• Enzyme & Receptor Studies: Employed as a substrate analog or inhibitor in biochemical assays to study enzyme kinetics and receptor-ligand interactions.
• Peptide Library Synthesis: Acts as a specialized building block in combinatorial chemistry for generating diverse peptide libraries for screening purposes.
• Academic & Institutional Research: Utilized in university and research institute laboratories for fundamental studies in medicinal chemistry and peptide science.
• Process Development: Supports scale-up and optimization studies for the commercial manufacturing of complex peptide therapeutics.

Basic Information

Item	Detail
Product Name	l-Cysteine, S-[(acetylamino)methyl]-N-[N-[N-[N-[N-[N2-[N-[N-[N-[(1,1-dimethylethoxy)carbonyl]-l-phenylalanyl]-l-phenylalanyl]-l-tryptophyl]-N6-[[2-(methylsulfonyl)ethoxy]carbonyl]-l-lysyl]-l-threonyl]-l-phenylalanyl]-l-threonyl]-l-seryl]-
CAS No.	76408-79-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Boc-Phe-Phe-Trp-Lys(Msc)-Thr-Phe-Thr-Ser-Cys(Acm)-OH; Custom Peptide Sequence 76408-79-2; Acm-Cys containing peptide derivative; Msc-Lys, Boc-Phe protected peptide; S-Acetamidomethyl cysteine peptide; Nα-Boc, Nε-Msc protected lysine peptide; Threonyl-seryl-cysteine peptide intermediate; Research peptide CAS 76408-79-2
EINECS	Contact for details

Quality Control

This high-value peptide derivative is manufactured under strict quality control protocols. Each batch is characterized using advanced analytical techniques including HPLC, LC-MS, and NMR to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data upon request. Our quality system is designed to meet the exacting standards of pharmaceutical R&D and cGMP guidelines for non-clinical materials.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below in a freezer. This compound is hygroscopic (moisture-sensitive). Allow the sealed vial to equilibrate to room temperature before opening to minimize condensation and moisture uptake. For long-term storage, consider under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Identification (MS)	Conforms to theoretical mass
Purity (HPLC)	≥ 95.0%
Related Substances (HPLC)	Individual impurity ≤ 2.0%
Water Content (KF)	≤ 5.0%
Heavy Metals	≤ 20 ppm

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