J&K is a scientific products brand featured on Reagent and Instrument Network, offering materials for research and laboratory use across organic chemistry, materials science, analytical chemistry, life sciences, and laboratory supplies. Its catalog includes specialty metal catalysts and complexes based on platinum, palladium, and gold, alongside building blocks and functional compounds for materials research, such as amine derivatives, spiro compounds, and triazines. Analytical chemistry products include reagents and reference materials, including steroid and bile-acid impurities and intermediates.

The life sciences range includes compounds such as ticlopidine and S-acetyl-L-glutathione, as well as pharmaceutical impurity standards. J&K also supplies laboratory consumables and packaging materials, including liquid reservoirs, pipette tips, UV-curable adhesive, EVA encapsulation film, and flexible transparent backsheets designed for flexible perovskite encapsulation. Products are listed in research-oriented package sizes, from milligram quantities to larger gram amounts, with some consumables available by the box, bag, or piece.

The range supports varied laboratory needs, from chemical research and analytical work to life-science studies and materials development