FOR LABORATORY RESEARCH PURPOSES ONLY. This compound has not received FDA approval. All information shown is drawn from published laboratory research for educational purposes
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Before you continue
This site sells research products exclusively to qualified researchers and laboratories for in vitro and laboratory use. Please confirm before continuing.
HCG is a naturally occurring hormone compound supplied by Peppy Peptides for laboratory research use only. HCG is used by laboratories investigating gonadotropin receptor signaling pathways.
HCG (human chorionic gonadotropin) is a glycoprotein hormone. It is classified with LH, FSH and TSH, which share a common alpha subunit, and each hormone carries its own beta subunit.
In laboratory settings, HCG is studied for its interaction with gonadotropin receptor signaling pathways, a receptor family widely referenced in endocrine-signaling literature. Researchers working with HCG in vitro and in preclinical models examine receptor-binding characteristics, structural comparisons between glycoprotein hormones, and the downstream signal-transduction cascades associated with gonadotropin receptor activation.
HCG is referenced in published laboratory research on gonadotropin-receptor pharmacology, the receptor-binding kinetics of glycoprotein hormones, and endocrine-signaling assay design. Researchers studying G-protein-coupled receptor activation use HCG as a reference compound to characterize gonadotropin receptor conformational states and downstream signal transduction in vitro.
HCG also appears in laboratory literature on structure-activity relationships among glycoprotein hormones and in assay-validation work that compares HCG with related gonadotropin-family hormones such as LH. Laboratories in cell biology, biochemistry and receptor-pathway research may study HCG as part of comparative hormone-receptor characterization.
HCG is studied for its interaction with gonadotropin receptor signaling pathways, including receptor-binding and downstream signal-transduction studies in vitro.
HCG shares a common alpha subunit with LH, FSH and TSH and carries a hormone-specific beta subunit. This makes it a frequent subject of comparative structure-activity research.
Published laboratory research on human chorionic gonadotropin is indexed on PubMed.
For research use only. Not for human consumption. Not evaluated by the FDA. Not intended to diagnose, treat, cure, or prevent any disease. This compound has not received FDA approval. All information shown is drawn from clinical studies for educational purposes.
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Lab-verified quality
Each lot is analysed by Bioviridian before release. Below is the Certificate of Analysis for the most recent lot, as issued by the laboratory.
Overall purity
99.7%
RP-HPLC (214 nm)
View the signed COA (PDF)Check this certificate at bioviridians.com/coa-search.html with code COA7690.
Test results
5 of 5 conformHPLC retention time 9.527 min · Signed: Shane Straight, M.S., Principal Chemist, Bioviridian Inc.
Every lot keeps its own signed certificate. Lots are listed newest first.
Lot HCG072026-MG
99.7%
Overall purity
Tested July 13, 2026
Open COAEarlier lots will appear here as new Certificates of Analysis are published.
Compound details
Molecular profile
Storage requirements
Store lyophilized at −20°C for long-term stability; avoid repeated freeze-thaw cycles; protect from light and moisture
Refrigerate at 2–8°C after reconstitution; use within 4–6 weeks
Published literature
4 peer-reviewed publications indexed on PubMed. Listed for reference only; inclusion does not imply any use, effect or endorsement.
SCIENCE · 1989
Lutropin-choriogonadotropin receptor: an unusual member of the G protein-coupled receptor family
McFarland KC, Sprengel R, Phillips HS, et al. Science. 1989;245(4917):494-9. doi:10.1126/science.2502842
Cloned and sequenced the lutropin-choriogonadotropin (LH/CG) receptor and identified it as a G protein-coupled receptor with a large extracellular domain.
NATURE · 1994
Crystal structure of human chorionic gonadotropin
Lapthorn AJ, Harris DC, Littlejohn A, et al. Nature. 1994;369(6480):455-61. doi:10.1038/369455a0
Solved the X-ray crystal structure of human chorionic gonadotropin, revealing its cystine-knot subunit fold.
ENDOCR REV · 2002
The lutropin/choriogonadotropin receptor, a 2002 perspective
Ascoli M, Fanelli F, Segaloff DL Endocr Rev. 2002;23(2):141-74. doi:10.1210/edrv.23.2.0462
Reviewed the structure, ligand binding, signaling and naturally occurring mutations of the LH/CG receptor.
NATURE · 2021
Structures of full-length glycoprotein hormone receptor signalling complexes
Duan J, Xu P, Cheng X, et al. Nature. 2021;598(7882):688-692. doi:10.1038/s41586-021-03924-2
Determined cryo-EM structures of the full-length LH/CG receptor in complex with hCG and G protein to describe glycoprotein-hormone receptor activation.
