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5α-Cholestane-d4 is intended for use as an internal standard for the quantification of 5α-cholestane (Item No. 26763) by GC- or LC-MS. 5α-Cholestane is a sterol that has been found in dust samples from urban and rural paved and agricultural and public unpaved roads.1 It has been used as an internal standard for the quantification of phytosterols by HPLC-MS/MS and fecal sterols by GC-FID and GC-MS.2,3
WARNING This product is not for human or veterinary use.
1. Organic compounds in dust from rural and urban paved and unpaved roads taken during the San Joaquin Valley fugitive dust characterization study. Environ. Eng. Sci. 29(1), 1-13 (2012).
2. Effects of extraction methods on phytochemicals of rice bran oils produced from colored rice. J. Oleo. Sci. 67(2), 135-142 (2018).
3. Faecal contamination of source-