L-Cysteine S-Sulfate Na (150465-29-5) Product Introduction
1. Product Overview
L-Cysteine S-Sulfate Na (150465-29-5) is a high-purity sulfur-containing amino acid derivative reagent for life science laboratories and biochemical research institutions, solving low synthetic purity, high hetero-impurity content, unstable chemical activity and poor experimental repeatability of conventional cysteine sulfate products.
2. Core Product Category
Sulfur-containing Amino Acid Derivative, Biochemical Experimental Reagent, Protein Modification Research Material, Metabolite Standard Sample, Fine Biochemical Compound
3. Target Crowd
Biochemical research laboratories, university life science teams, pharmaceutical mechanism research institutions, protein metabolism research centers and third-party biochemical detection laboratories
4. Core Solved Pain Points
· Ordinary cysteine sulfate derivatives contain excessive residual precursor impurities, interfering with protein metabolism experimental data
· Conventional products have low effective purity, reducing the accuracy of biochemical qualitative and quantitative detection
· Generic batches feature unstable molecular structure, causing inconsistent results in long-cycle cell culture experiments
· Low-grade reagents are prone to oxidative decomposition, shortening valid experimental application cycles
5. Core Selling Points
· Reaches 99.3% minimum HPLC purity verified by SGS third-party testing, eliminating impurity interference for quantitative biochemical detection experiments.
· Controls total residual impurities below 0.7% and single unknown impurity below 0.12%, maintaining high precision for protein modification research.
· Achieves 100% complete water solubility at 25°C, adapting to all conventional aqueous biochemical reaction and detection systems.
· Limits molecular oxidative decomposition rate below 0.28% within 12 months under standard low-temperature storage, ensuring stable batch experimental repeatability.
6. Core Product Parameters
This product owns a fixed CAS number of 150465-29-5 with a precise molecular formula of C3H6NNaO5S2 and a molecular weight of 223.20 g/mol. The minimum HPLC purity is 99.3%. Total residual impurity content is ≤0.7%, and single unknown impurity content is ≤0.12%. It achieves full water solubility at 25°C. The 12-month oxidative decomposition rate is ≤0.28%. The valid shelf life is 12 months under sealed storage at 2°C to 8°C, with all physical and chemical indicators passing SGS biochemical safety testing.
7. Application Scenarios
Biochemical researchers use high-purity reagents for cysteine metabolism pathway analysis and protein sulfation modification experiments.
Life science laboratories adopt stable-activity products for cell redox reaction research and intracellular metabolite detection.
Pharmaceutical research institutions apply low-impurity raw materials for drug metabolic mechanism verification and pharmacological experimental analysis.
University research teams utilize high-solubility reagents for standardized biochemical teaching experiments and long-term scientific research projects.
8. Frequently Asked Questions
Q1: What is the standard HPLC purity of L-Cysteine S-Sulfate Na (150465-29-5)?
This product maintains a minimum HPLC purity of 99.3% with SGS certification, fully meeting the precision requirements of professional biochemical quantitative experiments.
Q2: Does this reagent contain unknown impurities that affect experimental results?
Single unknown impurity is controlled below 0.12% and total impurities below 0.7%, effectively avoiding experimental data deviation and interference.
Q3: Can this cysteine derivative be completely dissolved in aqueous experimental systems?
It realizes 100% complete water solubility at 25°C, stably adapting to various conventional biochemical buffer and reaction systems.
Q4: How stable is the molecular structure during long-term low-temperature storage?
The oxidative decomposition rate is only 0.28% within 12 months under 2°C to 8°C sealed storage, keeping stable molecular activity.
Q5: What core experimental fields is this product mainly applicable to?
It is widely used in cysteine metabolism research, protein sulfation modification, cell redox experiments and pharmaceutical mechanism study.
Q6: Why is low impurity content essential for metabolic quantitative experiments?
Trace impurity control avoids non-specific biochemical reactions and improves the accuracy and reproducibility of quantitative detection data.
Q7: What storage conditions can extend the product's effective service life?
Sealed, dry and light-proof storage at 2°C to 8°C ensures stable chemical properties and complete activity within 12 months.
Different from conventional cysteine sulfate derivatives with low purity, high impurity content and easy oxidative deterioration, L-Cysteine S-Sulfate Na (150465-29-5) adopts precise directional synthesis and multi-stage purification technology with authoritative SGS quality verification. It solves common experimental pain points including unstable molecular activity and poor data repeatability. With high effective purity, ultra-low trace impurities, full water solubility and excellent storage stability, this product is more suitable for high-precision life science research and pharmaceutical biochemical mechanism experimental scenarios.
