(S)-3-Hydroxypyrrolidine

(S)-3-Hydroxypyrrolidine (CAS 100243-39-8) is a pharmaceutical-grade intermediate for larotrectinib (Vitrakvi), a TrkA/TrkB/TrkC kinase inhibitor used to treat cancer, supplied by Hunan Huateng Pharmaceutical Co., Ltd., which sources rather than manufactures the product directly. It is sold to North America, Western Europe, Eastern Europe, Australasia, and Asia.