L-Cysteine Methyl Ester Hydrochloride

Advance your biochemical and peptide synthesis research with L-Cysteine Methyl Ester Hydrochloride (CAS No.: 18598-63-5, CAT No.: SRCC-016). This high-purity amino acid derivative is the hydrochloride salt of L-cysteine methyl ester, featuring a protected thiol group with a methyl ester functionality suitable for solid-phase peptide synthesis and medicinal chemistry applications.

With a molecular formula of C₄H₁₀ClNO₂S and molecular weight of 171.65 g/mol, it appears as a white to off-white crystalline powder. It is soluble in water and polar organic solvents like DMSO and methanol, facilitating integration in diverse synthetic and biochemical workflows.

Product Highlights

Technical Features & Benefits

• Protected Thiol Group: The methyl ester form stabilizes the cysteine thiol for peptide coupling and synthesis without premature oxidation.
• High Purity: Manufactured under stringent quality control with ≥98% purity, ensuring consistent performance in biochemical and synthetic applications.
• Versatile Solubility: Compatible with aqueous and organic polar solvents, allowing broad usage in peptide synthesis and biochemical assays.
• Reliable Stability: Adequate thermal stability with decomposition melting point around 140°C, facilitating storage and handling.
• Key Intermediate: Widely used in solid-phase peptide synthesis (SPPS), peptide modification, and medicinal chemistry.

Application Areas

• Solid-phase peptide synthesis requiring thiol-protected cysteine residues.
• Synthesis of peptides and peptidomimetics with enhanced stability.
• Medicinal chemistry for developing sulfur-containing bioactive compounds.
• Biochemical studies involving thiol-reactive probes and modifications.

Safety & Handling

• Precautions: Use appropriate personal protective equipment including gloves, safety goggles, and lab coat. Avoid inhalation, ingestion, and skin or eye contact.
• Storage: Keep tightly sealed in a cool, dry, and well-ventilated place protected from light and moisture.
• Disposal: Dispose of chemical waste according to local, regional, and national regulations.

Why Choose SRIRAMCHEM Laboratories Pvt. Ltd.?

• Expert Manufacturing: Our advanced facilities and experienced team ensure every batch is produced with extreme accuracy and high purity. Trusted since 2013 for powering pharmaceutical innovation and scientific research worldwide.
• Custom Synthesis: We provide custom synthesis services tailored to your specifications, from milligrams to multi-kilogram scales with speed and precision.
• Uncompromising Quality: Every product includes full analytical documentation, including Certificate of Analysis (COA), NMR, LC-MS, and HPLC data guaranteeing identity and purity.
• Customer-Centric Support: Our responsive and collaborative team prioritizes your research goals from inquiry through delivery and beyond.

Request a Quote or Sample Today!
Accelerate your peptide synthesis and biochemical research with SRIRAMCHEM’s premium L-Cysteine Methyl Ester Hydrochloride. Contact our expert team now for pricing, sample availability, or custom synthesis inquiries.