King Scientific offers a comprehensive range of building blocks, reagents, catalysts and research chemicals in a wide span of applications. . Widely used in research and development, our products and services are recognized for exceptional quality and consistency.Products listed on our website are either in stock or can be resynthesized within a reasonable time frame. In stock products will be shipped out within 3-5 business days upon receipt of customer’s purchase order. You may search for our products through the search bar or the Structure Search function. If you would like to receive a copy of our product catalog