Capsid Biotechnology is a life sciences supplier serving researchers, laboratories, distributors, and suppliers worldwide. Its portfolio includes research reagents such as synthetic small molecules, primary and other antibodies, bioactive peptides, natural products, biochemicals, antivirals, and compound libraries. The company also supplies laboratory consumables and equipment, including microtome blades, microscope slides, cassettes, pipettes, laboratory plates and tubes, and sharps containers.

Alongside product sales, Capsid offers custom synthesis for complex compounds, supporting projects from milligram-scale research through kilogram-level production. Custom synthesis orders include analytical data, with options such as NMR, LC-MS, and HPLC, and customers can request project timelines and quotations. Other services include free custom aliquoting, temperature-conscious shipping, and supply in custom bulk sizes. Capsid says it applies in-house testing and quality controls, with validation data such as HPLC, NMR, and certificates of analysis available to support reproducibility.

The company also invites suppliers and distributors to develop international partnerships, offering a global sales network and local market support.