HCG

HCG Overview

HCG, or human chorionic gonadotropin, is a naturally occurring glycoprotein hormone composed of alpha and beta subunits. In research settings, it is studied for its role in receptor-mediated endocrine signaling, particularly in models involving gonadotropin biology, steroidogenic pathway activity, and reproductive hormone regulation.

Mechanism of Action & Applications

HCG is studied for its activity at the luteinizing hormone/choriogonadotropin receptor (LHCGR). In laboratory research, this makes it useful for examining receptor activation, cyclic AMP signaling, gonadal steroidogenesis, and broader endocrine pathway coordination. It is commonly used in studies involving reproductive endocrinology, gonadotropin receptor biology, ovarian and testicular signaling models, and hormone-response pathway research.

Research History

HCG has been studied for decades as one of the key hormones involved in reproductive endocrinology. Early research focused on its identification in pregnancy-related biology, followed by broader investigation into its receptor activity, structural subunits, and role as a model ligand in gonadotropin signaling research.

Chemical Information

CAS Number

9002-61-3

Molecular Formula

Not publicly standardized

Molecular Weight

Approximately 36.7 kDa

PubChem ID

Not publicly standardized

Compound

HCG

Selected quantity

5000 IU per vial

Research area

Reproductive & Hormonal

Intended use

Laboratory research only

Laboratory storage & handling

Form

Lyophilized powder

Short-term

2–8 °C (refrigerated)

Long-term

−20 °C (frozen)

Container

Use the supplied container and follow its label

Lot-specific stability

Not established on this product page

Reconstitution

Consult the applicable research protocol and available lot record

For research use only. Not for human or veterinary use.

A certificate for HCG 5000 IU has not been published yet. Records are published per lot as they are received; a missing record is not a test result.

Use the lot number on your vial to locate the corresponding certificate once it is available, or contact support for batch documentation.

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