Ochratoxin A-13C20 - CAS 911392-42-2

Ochratoxin A-13C20is intended for use as an internal standard for the quantification of ochratoxin A by GC- or LC-MS. Ochratoxin A is a mycotoxin that has been found inAspergillusandPenicillium.1It increases lipid peroxide levels and the number of apoptotic cells, as well as reduces superoxide dismutase activity in rat kidney when administered at a dose of 120 μg/kg.2Topical application of ochratoxin A (80 μg/mouse) induces DNA damage, cell cycle arrest at the G0/G1phase, and apoptosis in mouse skin cells.1It also initiates tumor formation in a two-stage mouse skin tumorigenesis model. Ochratoxin A has been found as a contaminant in a variety of foods.3

911348

C20H18ClNO6

423.66

[13CH3][13C@@H]1[13CH2][13c]2[13c](Cl)[13cH][13c]([13C](=O)N[13C@@H]([13CH2][13c]3[13cH][13cH][13cH][13cH][13cH]3)[13C](O)=O)[13c](O)[13c]2[13C](=O)O1

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