active sites directory

Active Sites Directory is a free directory which covers a large variety of sites organized by category. Browse thousands of web sites that are more focused on one particular aspect of Science, Instruments and Supplies, Isotopes, NMR Solvents with just the click of your mouse.

» Cambridge Isotope Laboratories - Manufacturer of stable isotope labeled compounds and some fine deuterated solvents too.

» C/D/N ISOTOPES - Quite a large listing of deuterated compounds and Carbon-13 and Nitrogen-15 labelled compounds. In English or German or French.

» Medical Isotopes, Inc. - Nearly a complete line of enriched biochemicals. Nice selection of fatty acids, enriched with C13.

» NMR Shift Reagents - Supplier of NMR shift reagents.

» Silantes GmbH - Stable isotope labeled biopolymers (H2, C13, N15)

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