From: CMC development of [14C]-labeled sotorasib for the conduct of microtracer human ADME study
Test | Criteria | Result |
---|---|---|
Radiochemical purity by HPLC-beta ram detector | NLT 96.0% area | 100.0% area |
Assay (% label claim) by HPLC-UVa | 90.0–110.0% w/w | 98.5% w/w |
Chemical Purity by HPLC-UVa | NLT 96.0% area (Total impurities NMT 4.0% area) | 99.7% area (Total impurities 0.31% area) |
Radioactive concentration by LSC (Target 1.0 µCi/dose) | 80.0–120% target | 99.1% |