Specifications Table
Product Name – L-CYSTEINE 99% For Biochemistry
Quantity/Pack Size – 5 g, 25 g, 500 g
Form – White crystalline powder
Grade – Biochemistry grade (99% purity)
Application – Protein synthesis, redox studies, biochemical research
Product Overview
L-Cysteine 99% is a high-purity, biochemistry-grade amino acid designed for precision in laboratory applications. This white crystalline powder offers exceptional solubility in water and organic solvents, making it ideal for protein synthesis, redox reactions, and enzymatic studies. Its 99% purity ensures minimal impurities, reducing experimental variability and enhancing reproducibility. The compound’s thiol group enables participation in disulfide bond formation, a critical process in protein folding and stabilization. With a molecular weight of 121.16 g/mol and a melting point of 240°C, it remains stable under standard lab conditions. This product is rigorously tested for consistency, ensuring reliable performance in sensitive biochemical assays. Whether used as a reducing agent or a building block in peptide synthesis, its high purity guarantees accurate results. Store in a cool, dry place to maintain stability and prevent oxidation.
FAQs
1.
What is the solubility of L-Cysteine 99% in water?
L-Cysteine dissolves readily in water, with a solubility of approximately 280 g/L at 25°C, making it suitable for aqueous solutions. 2.
Is this product compatible with cell culture applications?
While primarily used in biochemistry, L-Cysteine 99% can be incorporated into cell culture media as a supplement, but sterility must be ensured. 3.
Are there alternatives to L-Cysteine for redox reactions?
Dithiothreitol (DTT) or β-mercaptoethanol are common alternatives, but L-Cysteine is preferred for its physiological relevance. 4.
How should L-Cysteine 99% be stored to prevent degradation?
Store in an airtight container under inert gas (e.g., nitrogen) at 2–8°C to minimize oxidation and extend shelf life. 5.
What is the source of this L-Cysteine?
This product is synthetically derived, ensuring high purity and consistency without biological contaminants.