Catch-Chem covers immunoassay, cell culture, molecular biology, protein research and buffer systems, with professional sourcing services and OEM service.
Catch-Chem is a life-science raw material supply chain company based in Yantai, Shandong, serving customers across China and overseas. Our goal is a one-stop platform for research materials.
Built on years of supply-chain relationships and a professional technical team, we put quality first and service at the core, with multi-source supply, fast response and custom sourcing.
Quality · Expertise · Efficiency · Shared success
Company profileFrom everyday biochemicals to imported brands, sourced to your experiment.
Buffers, blocking reagents, cryoprotectants, chaotropes, stains, antibiotics, electrophoresis reagents and tool enzymes.
Learn more: Biochemicals →Liquid and powdered basal media, serum-free and specialty media, balanced salt solutions and trypsin.
Learn more: Cell culture media →Precast gels, protein markers, protein buffers and antibodies.
Learn more: Proteomics →Global sourcing, import agency, multi-brand price comparison and product verification.
Learn more: Sourcing service →CAS 9048-46-8
Bovine serum albumin (BSA) is a single-chain globular protein purified from bovine plasma; this grade is prepared from New Zealand-origin plasma.
View details: Bovine Serum Albumin (BSA), New Zealand origin →CAS 67-68-5
Dimethyl sulfoxide (DMSO) is a highly polar aprotic solvent with a melting point of about 18.5 °C, strong solvating power and marked hygroscopicity.
View details: Dimethyl Sulfoxide →CAS 56-81-5
Glycerol (propane-1,2,3-triol) is a colorless, highly hygroscopic viscous polyol.
View details: Glycerol →CAS 56-81-5
Glycerol 85% is an aqueous glycerol solution containing about 85% glycerol, with lower viscosity than anhydrous glycerol for easier handling and dispensing.
View details: Glycerol, EP →CAS 9005-64-5
Tween 20 (polysorbate 20) is a nonionic surfactant based on polyoxyethylene sorbitan monolaurate.
View details: Polysorbate 20 →CAS 9002-93-1
Triton X-100 is a nonionic polyethylene glycol octylphenyl ether surfactant that solubilizes cell membranes with relatively little protein denaturation.
View details: Triton X-100 →PBS tablets are pre-formulated phosphate-buffered saline tablets; dissolving them in the specified volume of purified water yields PBS without weighing individual salts.
View details: PBS tablet →Phosphate-buffered saline (PBS) is an isotonic sodium chloride solution buffered with phosphate, typically at pH 7.2–7.4.
View details: Phosphate Buffered Saline →DPBS (Dulbecco's phosphate-buffered saline) is an isotonic phosphate buffer based on Dulbecco's formulation, available with or without calcium and magnesium depending on the recipe.
View details: Dulbecco's Phosphate-Buffered Saline →CAS 6138-23-4
D-(+)-Trehalose dihydrate is a non-reducing disaccharide composed of two glucose units joined by an α,α-1,1-glycosidic bond.
View details: D-(+)-Trehalose Dihydrate →CAS 1132-61-2
MOPS is a Good's zwitterionic buffer with a pKa of about 7.2 at 25 °C and a useful buffering range of pH 6.5–7.9.
View details: MOPS →CAS 7365-45-9
HEPES is a widely used Good's zwitterionic buffer with a pKa of about 7.5 at 25 °C and a buffering range of pH 6.8–8.2.
View details: HEPES, free acid, AR →Biochemical reagents, cell culture media, proteomics materials, and domestic and international sourcing (brand agency).
Yes. Our global sourcing service helps locate niche, custom and discontinued products. Availability is confirmed per inquiry.
Yes, from the supplier batch. Please state the documents you need on the inquiry.
No. Research or industrial non-medical use only.
Send the name, CAS, grade, pack size and use. We reply Mon–Fri 9:00–18:00 (China time).
