An internal standard for the quantification of FK-506
FK-506-13C-d2 contains two deuterium atoms located on the carbon-13 bond. It is intended for use as an internal standard for the quantification of FK-506 by GC- or LC-MS. FK-506 is a potent, clinically-useful immunosuppressant in the same molecular class as cyclosporin A and rapamycin.1 Its mechanism of action involves the formation of a high affinity complex (Ki = 0.2 nM) with FK-
1.Schreiber, S.L.Chemistry and biology of the immunophilins and their immunosuppressive ligandsScience251(4991)283-287(1991) 2.Dumont, F.J.FK506, An immunosuppressant targeting calcineurin functionCurr. Med. Chem.7(7)731-748(2000) 3.Snyder, S.H., Sabatini, D.M., Lai, M.M., et al.Neural actions of immunophilin ligandsTrends Pharmacol. Sci.19(1)21-26(1998)
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