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Cambridge Isotope Laboratories - http://www.isotope.com/
Manufacturer of stable isotope labeled compounds and some fine deuterated solvents too. |
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Silantes GmbH - http://www.silantes.com/
Stable isotope labeled biopolymers (H2, C13, N15) |
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C/D/N ISOTOPES - http://www.cdniso.com/
Quite a large listing of deuterated compounds and Carbon-13 and Nitrogen-15 labelled compounds. In English or German or French. |
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Medical Isotopes, Inc. - http://www.medicalisotopes.com/
Nearly a complete line of enriched biochemicals. Nice selection of fatty acids, enriched with C13. |
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NMR Shift Reagents - http://www.rareearthproducts.com/nmrshiftreagents.htm
Supplier of NMR shift reagents. |