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. 2024 Jul 20;15:6136. doi: 10.1038/s41467-024-50568-7

Table 2.

Multiple reaction monitoring transitions, collision energies (CE), and quantitative range (QR) for identification and quantification of doxorubicin and its metabolites

Compound Precursor (m/z) Product (m/z) CE (eV) QR (ng/mL)
Dox 544.30 397.25 −14 0.5–200
Doxol 546.30 399.25 −15 0.1–200
7-Deo 399.35 381.25 −20 0.5–50
Dau 528.30 321.10 −25 Interior standard