COA
Certificate of Analysis
Third-party HPLC and MS testing for every batch, published before purchase and tied to the batch being sold.
HPLC / MSVR-HCG
Endocrine Research
HCG5000IU
Human chorionic gonadotropin for hormone research.
$49per vial
Product handling note
Lyophilized powder may shift or come loose during transit; that is a normal occurrence and does not affect the integrity of the research product. Fill appearance and batch-specific details may vary. Refer to the Certificate of Analysis below for the documentation tied to the current batch.
Research overview
Why researchers study HCG signaling.
HCG is studied in endocrine research because it interacts with the luteinizing hormone / chorionic gonadotropin receptor, often shortened to LHCGR. Researchers compare HCG and LH to understand how related hormones can act through the same receptor in different ways.
The interesting research question is how two related hormones can share a receptor but produce different signaling patterns. That is why HCG is usually discussed through receptor biology, potency, and identity testing.
The receipts
What you get with every vial.
ID
Batch traceability
Every vial is stamped with a batch ID that links back to its COA, source record, and current product documentation.
Batch linkedLabel
Batch-linked labeling
Product identity, strength, and batch reference stay easy to match from the product listing to the vial in hand.
Listing to vialRelated peptides
Adjacent research lanes.
Product FAQ
Common research questions.
Why is HCG listed in IU instead of mg?
IU stands for international units. For some hormone research materials, the useful label is biological activity or potency, not just material mass.
What is LHCGR?
LHCGR is the luteinizing hormone / chorionic gonadotropin receptor. It is the shared receptor context researchers use when comparing LH and HCG signaling.
How can LH and HCG share a receptor but still be studied differently?
Published endocrine research shows that two ligands can bind the same receptor and still produce different signaling patterns, timing, and downstream pathway activity. That is the point of reading HCG through receptor biology rather than only through the hormone name.
What documentation matters most for HCG?
For this category, the key anchors are identity, potency or assay information where available, batch code, and label clarity. IU labeling makes potency documentation especially important.
Research sources
Literature links are included for background reading. Batch-specific identity and purity details live in the COA tied to the current batch.