All of our high-purity pharmaceutical reference standards are provided with a comprehensive Certificate of Analysis and all supporting analytical data.

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Sort by: Catalog Number Product Price Default See details Cis-Vitamin K1 Catalog Number: V-8552 This compound comes with a comprehensive Certificate of Analysis. See details Doxercalciferol Labeled d6 (Vitamin D metabolite) Catalog Number: D-2532 This compound comes with a comprehensive Certificate of Analysis. See details Ercalcitriol (1alpha,25-dihydroxyvitamin D2) Catalog Number: E-7665 This compound comes with a comprehensive Certificate of Analysis. See details Trans - Vitamin K1 Catalog Number: V-8564 This compound comes with a comprehensive Certificate of Analysis. See details Valganciclovir - Labeled d8 Catalog Number: V-7863 This compound comes fully certified. See details Valsartan Labeled d9 Catalog Number: V-7876 This compound comes with a comprehensive Certificate of Analysis. See details Varenicline Hydrochloride Labeled 15N3 Catalog Number: V-7892 This compound comes fully certified. See details Vitamin K1 Labeled d7 (60:40 mix of trans:cis) Catalog Number: V-8560 This compound comes with a comprehensive Certificate of Analysis. See details Vitamin K1 Labeled d7 (trans only) Catalog Number: V-8565 This compound comes with a comprehensive Certificate of Analysis.