Organic synthesis is the cornerstone of modern chemistry, enabling the creation of complex molecules that drive innovation across industries, particularly in pharmaceuticals and materials science. L-Cysteine Methyl Ester Hydrochloride, with its characteristic functional groups and chiral center, stands as a highly versatile intermediate in this domain. This article, presented by NINGBO INNO PHARMCHEM CO.,LTD., explores the synthetic utility of this compound and its importance in advancing organic chemistry.

L-Cysteine Methyl Ester Hydrochloride, bearing the CAS number 18598-63-5, is an amino acid derivative that possesses both amine and thiol functionalities, along with an ester group and a chiral center. This combination of reactive sites makes it an attractive starting material for a wide array of organic transformations. The presence of the ester group allows for further modifications, such as hydrolysis to the corresponding carboxylic acid or transesterification. The amine group can be readily acylated, alkylated, or used in condensation reactions. Crucially, the thiol group is nucleophilic and can participate in addition reactions, disulfide bond formation, and serve as a coordinating ligand.

The compound's specific optical activity, [α]20/D −1.8°, is particularly significant for stereoselective synthesis. This chirality is preserved through many common synthetic routes, allowing for the controlled creation of enantiomerically pure target molecules. This is indispensable in pharmaceutical synthesis, where the biological activity of a drug often depends critically on its stereochemistry. Researchers looking to buy L-Cysteine Methyl Ester Hydrochloride for asymmetric synthesis will find its inherent chirality a significant advantage.

As a pharmaceutical raw intermediate, its applications are diverse. It serves as a precursor for antibiotics, mucolytic agents, and other therapeutic compounds. The ability to modify its functional groups allows chemists to tailor its structure to achieve desired pharmacological properties. When considering the L-Cysteine Methyl Ester Hydrochloride price, it's important to factor in its versatility and the potential value it adds to complex synthetic endeavors. Sourcing from reliable L-Cysteine Methyl Ester Hydrochloride suppliers like NINGBO INNO PHARMCHEM CO.,LTD. ensures that the intermediate meets the required specifications for these intricate synthetic pathways.

Beyond pharmaceuticals, L-Cysteine Methyl Ester Hydrochloride can be utilized in the synthesis of specialty chemicals, peptides, and biologically active molecules. Its reactive thiol group, for example, can be employed in the creation of antioxidant compounds or in conjugation chemistry. The ester functionality also opens doors for polymer synthesis or modification. The purity of the compound, often stated as 97% Min., is critical for minimizing side reactions and maximizing yields in these demanding synthetic applications.

In conclusion, L-Cysteine Methyl Ester Hydrochloride is a powerful tool in the organic chemist's arsenal. Its multifunctional nature, inherent chirality, and established reactivity make it an invaluable intermediate for synthesizing a vast range of target molecules. NINGBO INNO PHARMCHEM CO.,LTD. is proud to supply this compound, supporting the ongoing advancements in organic synthesis and its critical applications in medicine and beyond.