Rainbow Scientific, Inc. (RSI) distributes state-of-the-art products to molecular cytogenetics, clinical chemistry, pathology, hemostasis and stem cell research laboratories across North America.


Get 20% off your first order of ECO-TEK™ TMB Substrates for ELISA or blotting.

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Our comprehensive range of Biological Industries products, including advanced stem cell solutions, are now available online. Shop now!


Featured Products

NEW! Serum-free, xeno-free differentiation media for
human mesenchmal stem cells
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Rainbow Scientific, Inc.
83 Maple Avenue
Windsor, CT 06095
(860) 298-8382