Tadalafil-13C-d3 (CAS 171596-29-5) is a stable isotope-labeled analog of tadalafil, a carboline-based PDE5 inhibitor. This compound is used as an internal standard in LC-MS/MS for pharmacokinetic research, enabling quantitative analysis of tadalafil in biological matrices during in vitro and in vivo studies.
Molecular Weight:
393.42
Formula:
13CC21D3H16N3O4
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