Product introduction
L-Cystine (CAS No. 56-89-3) is a sulfur-containing amino acid formed by the oxidation of two cysteine molecules linked by a disulfide bond. It is widely used in biochemical research, cell culture media formulation, peptide synthesis, and pharmaceutical intermediate development.
We offer L-Cystine in both industrial-grade and reagent-grade options to meet different research and production requirements. With competitive bulk pricing and flexible order quantities, we aim to provide a cost-effective sourcing solution for biochemical reagent suppliers, nutrition research companies, and cell culture laboratories.
Technical Specifications
| Specification | Details |
| Product Name | L-Cystine |
| CAS Number | 56-89-3 |
| Category | Sulfur-Containing Amino Acid |
| Chemical Formula | C6H12N2O4S2 |
| Molecular Weight | 240.30 g/mol |
| Purity | ≥98.5% |
| Storage Conditions | Ambient / Room Temperature |
| Available Grades | Industrial Grade / Reagent Grade |
Please contact us to confirm the specifications, grade availability, and batch-specific COA before ordering.
Key Applications
Cell Culture Media
Used as a component or supplement in selected cell culture media formulations, subject to formulation requirements.
01
Biochemical Research
Applied in studies involving amino acid metabolism, protein structure, and disulfide bond chemistry.
02
Peptide Synthesis
Used as a sulfur-containing amino acid building block in peptide-related research and synthesis.
03
Pharmaceutical R&D
Serves as a research raw material for pharmaceutical intermediate development and related laboratory investigations.
04
Secure Packaging｜Controlled Storage｜Safe Delivery
International Express-- Fedex/DHL/UPS, air shipping and sea shipping, double-clearance custom.
"Professional packaging, optimal storage, and reliable logistics ensure your order arrives safely and on time."
"We safeguard product quality at every step-from specialized packaging and controlled storage to efficient global shipping."
Why Choose Us?
Multiple Grades Available
Industrial-grade and reagent-grade options are available to accommodate different purchasing and application requirements.
Competitive Bulk Pricing
Cost-effective sourcing options for both small-scale laboratory purchases and larger-volume procurement.
Flexible Order Quantities
Whether you need gram-level samples or kilogram-level quantities, contact us for availability and a tailored quotation.
Quality Documentation
Batch-specific COA and available product documentation can be provided upon request.
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