Catalog #: S2010003
Human serum containing undetectable levels (< 2 ng/mL) of 25-OH vitamin D (either 25-OH vitamin D2 or 25-OH vitamin D3). This product is useful for the dilution of 25-OH vitamin D solutions as well as the research and development of 25-OH vitamin D high and low working solutions. This product is liquid stable for several years when stored at 2-8°C.

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