Cystine Disodium Salt (199329-53-8) Product Introduction
1. Product Overview
Cystine Disodium Salt (199329-53-8) is a high-purity disodium amino acid salt biochemical reagent developed for life science laboratories and pharmaceutical research institutions, solving low solubility, insufficient purity, unstable batch quality and high impurity interference of conventional cystine raw materials.
2. Core Product Category
Sulfur-containing Amino Acid Salt, Biochemical Research Reagent, Biomedical Intermediate, Cellular Metabolism Research Material, Fine Biochemical Compound
3. Target Crowd
Biochemical analysis laboratories, university life science research teams, pharmaceutical development institutions, cell metabolism research centers and third-party biochemical testing laboratories
4. Core Solved Pain Points
· Conventional L-cystine powder features poor water solubility, limiting application in aqueous biochemical reaction systems
· Ordinary cystine salt products carry high free amino acid impurities, causing deviation in quantitative experimental results
· Generic batches show unstable chemical stability, reducing repeatability of long-term cell and metabolism experiments
· Low-grade reagents have high oxidation rate, leading to rapid quality attenuation during cold storage
5. Core Selling Points
· Delivers 99.2% minimum HPLC purity verified by SGS third-party testing, effectively eliminating impurity interference for quantitative biochemical experiments.
· Achieves 100% complete water solubility at 25°C, adapting fully to aqueous buffer systems and in vitro biochemical detection environments.
· Controls free cystine residual content below 0.15% and total impurities below 0.8%, ensuring high precision for metabolism mechanism research.
· Maintains oxidative degradation rate below 0.3% within 12 months under sealed low-temperature storage, stabilizing batch experimental data.
6. Core Product Parameters
This product has a fixed CAS number of 199329-53-8 with a molecular formula of C6H10N2Na2O4S2 and a molecular weight of 288.26 g/mol. The minimum HPLC purity is 99.2%. Total impurity content is ≤0.8%, and free cystine residue is ≤0.15%. It achieves complete water solubility at 25°C. The 12-month oxidative degradation rate is ≤0.3%. The valid shelf life is 12 months under sealed storage at 2°C to 8°C, with all indicators passing SGS biochemical safety certification.
7. Application Scenarios
Biochemical researchers apply high-purity cystine disodium salt for sulfur-containing amino acid metabolism pathway analysis and quantitative testing.
Cell biology laboratories use fully soluble reagents for intracellular redox balance research and cell culture auxiliary experiments.
Pharmaceutical research institutions adopt low-impurity raw materials for antioxidant drug mechanism verification and biomedical intermediate research.
Academic research teams utilize stable-quality products for long-cycle scientific research projects and standardized biochemical teaching experiments.
8. Frequently Asked Questions
Q1: What is the HPLC purity grade of Cystine Disodium Salt (199329-53-8)?
This product provides a minimum HPLC purity of 99.2% with SGS certification, meeting high-precision biochemical quantitative experiment standards.
Q2: Does this cystine salt achieve full dissolution in water at room temperature?
It realizes 100% complete water solubility at 25°C, avoiding undissolved sediment in conventional aqueous experimental systems.
Q3: Will residual free cystine interfere with experimental detection results?
Free cystine residue is strictly controlled below 0.15%, greatly reducing non-specific interference for metabolism-related experiments.
Q4: How stable is the product during long-term low-temperature storage?
The oxidative degradation rate stays below 0.3% in 12 months under 2°C to 8°C sealed storage, maintaining stable chemical properties.
Q5: What core research fields is this disodium salt reagent suitable for?
It is widely used in amino acid metabolism research, cell redox experiments and pharmaceutical biochemical mechanism exploration.
Q6: What advantages does it have over conventional cystine powder?
It solves poor water solubility and high impurity defects, offering higher stability and accuracy for aqueous biochemical experiments.
Q7: What storage method can guarantee the full shelf life of the product?
Sealed, dry and light-proof storage at 2°C to 8°C keeps all physical and chemical indicators stable for 12 months.
Compared with conventional cystine and common cystine salt reagents that feature poor water solubility, high free monomer residues and weak oxidation resistance, Cystine Disodium Salt (199329-53-8) adopts professional salt-forming modification and multi-stage purification technology with authoritative SGS quality certification. It solves common industry pain points such as limited application scenarios and unstable experimental data. With high purity, ultra-low residual impurities, full room-temperature water solubility and excellent storage stability, this product is more suitable for high-precision life science research and pharmaceutical biochemical experimental scenarios.
