About Us

About Us

BOC Sciences has become the largest supplier of pseudoUridine in the world with the most production capacity. Our annual output of pseudoUridine is currently over 500 kg. Its analogue - N1-MethylpseudoUridine (CAS 13860-38-3), is also our key product and has been used as raw material in the mRNA vaccine against COVID-19. We have been supplying the materials to the current production of COVID-19 mRNA vaccines with recognized quality.

Besides PseudoUridine, BOC Sciences also provides abundant pseudoUridine derivatives. Our products can be categorized as the following:

BOC Sciences supplies pseudoUridine and its derivatives to support your production. We are committed to offering competitive prices and timely delivery of our products with guaranteed and recognized quality.

Our Customers


Moderna, mRNA vaccine manufacturers, uses pseudouracil modification to maintain mRNA stability. PseudoUridine has been widely used in the production of mRNA drugs.


Dicerna Pharmaceuticals, Inc., is a biopharmaceutical company using ribonucleic acid interference (RNAi) to develop medicines that silence genes that cause disease.