P210：Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P305+P351+P338：IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
Description
25-Hydroxyvitamin D3?(6,19,19-d3) can be used as an analytical standard for the quantitative analysis of hydroxyvitamin D3?concentration in human serum via LC-MS.
![25-HydroxyvitaMin D3-[D3]
Calcifediol-D3](https://www.chemicalbook.com/CAS/20211123/GIF/140710-94-7.gif)
