Biochemical Diagnosis: A Key to Accurate Medical Testing

Biochemical diagnosis involves enzyme reactions or antigen-antibody interactions, primarily used to measure biochemical indicators, body function markers, and various proteins like enzymes, sugars, lipids, non-protein nitrogen, and inorganic elements. This method is essential in detecting and monitoring various medical conditions.

As the first automated detection method, biochemical diagnosis remains one of the most widely-used techniques in in vitro diagnostics (IVD) today.

At J&K Scientific, we provide high-quality substrates, surfactants, preservatives, and other essential products to support companies in their R&D and production processes. Our solutions help maintain the reliability and accuracy of biochemical diagnostic tests.

Biochemical diagnosis related raw materials and excipients

Substrate

Product name CAS Item number
Acetylthiocholine iodide, 98% 1866-15-5 286089
5-Bromo-4-chloro-3-indolyl-N-acetyl β-D-glucosaminide, 98% 4264-82-8 265978
S-Butyrylthiocholine iodide, 99% 1866-16-6 157752
2-Chloro-4-nitrophenyl α-L-fucopyranoside, 98% 157843-41-9 280513
α-Ketoglutaric acid, 99%, reagent grade 328-50-7 453795
L-Lactic acid lithium salt, 99% 27848-80-2 158656
6-Methyl-2-pyridinyl 2-(acetylamino)-2-deoxy-1-thio-β-D-glucopyranoside, 98% 149263-94-5 1413695
4-Nitrophenyl phosphate disodium salt, 98% 4264-83-9 1084029
Oxamic acid sodium salt, 98% 565-73-1 294960

Surfactant

Product name CAS Item number
Digitonin, 50% 11024-24-1 287969
Polyethylene glycol dodecyl ether, high purity grade 9002-92-0 214944
Sodium cholate, 98% 361-09-1 403474
Triton X-100, for bio 9002-93-1 905959
Lauramidopropyl betaine, Effective content:29%-31% 4292-10-8 1280445

Stabilizers and preservatives

Product name CAS Item number
Dextran, average M.W. 500,000 9004-54-0 132840
Dextran sulfate sodium salt, average M.W. 500,000 9011-18-1 940975
D-(+)-Trehalose, 99%, anhydrous 99-20-7 242508
Proclin 300 0 403755

Enzymes and coenzymes

Product name CAS Item number
Ascorbate oxidase, 400 units/mg protein 9029-44-1 256043
Cholesterol oxidase, from E.coli, ≥50 units/mg protein 9028-76-6 167589
β-Galactosidase, 40 U/mg solid 9031-11-2 129997
Glucose oxidase, from Aspergillus niger, 200 units/mg, M. W. 150, 000 9001-37-0 347740
β-Hydroxybutyrate dehydrogenase, 400 units/mg 9028-38-0 241035
β-Nicotinamide adenine dinucleotide disodium salt, 98%, reduced 606-68-8 302449
β-Nicotinamide adenine dinucleotide, 98% 53-84-9 341773
Purine nucleoside phosphorylase, 200 units/mg 9030-21-1 344718
Xanthine oxidase, microbial, 40 units/mg 9002-17-9 379122
By Vicky Zhao

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