Overview: HCG is a glycoprotein gonadotropin used as a reference ligand in endocrine and reproductive-biology laboratory research. It is intended strictly for in vitro and laboratory research applications. Contents: A single 5000IU lyophilized vial of human chorionic gonadotropin supplied as sterile lyophilized powder. Purity: >99% (batch-specific COA reports 99.292% purity via HPLC analysis). Quality Assurance: • Independent third-party testing on every batch • HPLC purity verification and mass-spectrometry identity confirmation • Manufactured under strict aseptic and analytical laboratory st