Fmoc-Cys(MMt)-OH, a critical Fmoc-protected amino acid, plays a pivotal role in the synthesis of complex peptides. Its unique chemical structure, featuring the Fmoc protecting group for the amine and the S-(4-methoxytrityl) (Mmt) group for the cysteine thiol, offers significant advantages in controlled synthesis. Understanding its chemical profile, including purity and specific applications, is essential for researchers and manufacturers seeking to optimize their processes.

The purity of Fmoc-Cys(MMt)-OH, often exceeding 99% as indicated by HPLC analysis, is a testament to meticulous manufacturing processes. This high level of purity is vital for ensuring accurate coupling during solid-phase peptide synthesis (SPPS), minimizing side reactions, and achieving the desired peptide sequence with high fidelity. As a leading supplier, we prioritize delivering Fmoc amino acids that meet these rigorous standards.

The Mmt protecting group on cysteine is a key feature that allows for selective deprotection. Unlike other trityl-based protecting groups, the Mmt group can be cleaved under milder acidic conditions, such as with 0.5-1% trifluoroacetic acid (TFA). This selectivity is crucial for synthesizing peptides with disulfide bonds or other complex modifications where controlled thiol reactivity is required. For those looking to buy Fmoc-Cys(MMt)-OH, this chemical property directly influences its utility in sophisticated synthetic strategies.

The applications of Fmoc-Cys(MMt)-OH span across pharmaceutical research, drug discovery, and general chemical synthesis. It is instrumental in constructing peptides for therapeutic purposes, developing diagnostic tools, and advancing the field of peptidomimetics. As a reliable manufacturer, we ensure a consistent supply of this essential building block to support these diverse research endeavors.

Researchers often inquire about the price of Fmoc-Cys(MMt)-OH when planning large-scale synthesis projects. Sourcing from established manufacturers, especially those offering bulk discounts and competitive wholesale pricing, is a common strategy. The combination of high chemical purity, selective protection capabilities, and availability from trusted suppliers makes Fmoc-Cys(MMt)-OH an indispensable component in the modern chemist's toolkit.

In summary, the chemical profile of Fmoc-Cys(MMt)-OH, characterized by its high purity and the selective Mmt protecting group, underscores its importance in advanced peptide synthesis. By understanding its properties and applications, and by partnering with reliable manufacturers and suppliers, researchers can effectively leverage this vital Fmoc amino acid derivative for their scientific pursuits.