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For research, development and manufacturing use only. Not for human or veterinary use.

Reproductive & Hormone · Source-reviewed dossier

HCG

Source-Reviewed Research Dossier

hCG is a heterodimeric glycoprotein hormone that activates the luteinizing-hormone/chorionic-gonadotropin receptor. Recombinant and urine-derived finished medicines have defined standards and indications; these cannot be transferred to an unspecified research lot.

Research use only Lot documents on request
HCG research product family with 4 catalog variants
AI-generated packaging mockup for catalog navigation. It is not a photograph of an actual supplied lot; container, label and presentation may vary.

Product family

Compound overview

Shared values below are consolidated from the current catalog record. They are not independent verification or lot results; the current product specification and lot COA control.

Product identity

Product type
Protein or hormone research material
Catalog family
HCG
Research category
Reproductive & Hormone
Catalog CAS RN
9002-61-3
Catalog sequence
237-amino-acid glycoprotein hormone (α + β subunits)
Identity boundary
Glycosylation, isoform distribution, source and biological potency require product-specific characterization.
Evidence status
Established reproductive biology and regulated drug products; source and bioactivity are product-specific
Intended use
Research, development and manufacturing use only

Literature reference parameters

Compound or material class
Human chorionic gonadotropin glycoprotein hormoneCatalog-family identity
Evidence scope
Established reproductive biology and regulated drug products; source and bioactivity are product-specificDo not generalize beyond the cited model
Source review
Primary or authoritative records linked belowChecked 2026-09-01

Identity safeguard Reference identifiers above describe the literature compound record. The supplied form, formula, molecular weight, purity and storage conditions must be verified against the product-specific specification and lot COA.

Mechanism of action

How HCG is studied

A target-to-pathway view grounded in the linked research records.

Human chorionic gonadotropin glycoprotein hormone research basis

hCG shares an alpha subunit with other glycoprotein hormones and uses its distinct beta subunit to bind LHCGR and support steroidogenic and reproductive signaling.

Evidence and material boundary

Protein glycoforms, source, isoform distribution and bioactivity affect performance; a mass value or name alone is insufficient for comparability.

Reported research findings

What published studies report about HCG

Reported outcomes are paired with their experimental model and evidence boundary.

Biology review

hCG has multiple molecular forms and biological roles

A 2018 review summarized hCG structure, glycosylation, receptor biology and functions.

Endogenous biology does not verify a recombinant or urine-derived catalog lot.

Read the primary study
Comparative review

LH and hCG differ in signaling despite sharing a receptor

A review described molecular and signaling distinctions between luteinizing hormone and hCG.

Shared receptor activity does not make the hormones interchangeable.

Read the primary study
Translation boundary: findings are limited to the evidence level stated on each card. Experimental protocol quantities are research details, not usage instructions.

Catalog options

Variant specifications

Pack-level catalog data; lot-level controls remain document-specific.

Catalog no.G1K
Pack size1000 IU × 10 vials
Specification & documents for G1K

Product specification

Protein or hormone research material · 1000 IU/vial nominal · 10-vial pack · identity and release tests controlled by lot specification.

Lot documentation

Request by lot: CoA, identity and release tests

Catalog no.G2K
Pack size2000 IU × 10 vials
Specification & documents for G2K

Product specification

Protein or hormone research material · 2000 IU/vial nominal · 10-vial pack · identity and release tests controlled by lot specification.

Lot documentation

Request by lot: CoA, identity and release tests

Catalog no.G5K
Pack size5000 IU × 10 vials
Specification & documents for G5K

Product specification

Protein or hormone research material · 5000 IU/vial nominal · 10-vial pack · identity and release tests controlled by lot specification.

Lot documentation

Request by lot: CoA, identity and release tests

Catalog no.G10K
Pack size10000 IU × 10 vials
Specification & documents for G10K

Product specification

Protein or hormone research material · 10000 IU/vial nominal · 10-vial pack · identity and release tests controlled by lot specification.

Lot documentation

Request by lot: CoA, identity and release tests

Quality system

Quality documentation

Document availability is stated honestly and can vary by catalog variant or lot.

Lot-specific Certificate of AnalysisAvailability and scope must be confirmed for the selected catalog variant and lot
Confirm before ordering Request
Product Specification SheetAvailability and scope must be confirmed for the selected catalog variant and lot
Confirm before ordering Request
Analytical Method SummaryAvailability and scope must be confirmed for the selected catalog variant and lot
Confirm before ordering Request

Analytical interpretation

Interpret the documents, not just the headline number.

Use the source-reviewed guide to separate chromatographic area purity, quantitative assay, LC-MS identity, composition and stability evidence before comparing variants or requesting a lot record.

Open the Quality & Documentation Hub

HPLC area ≠ assayA dominant peak does not establish target mass fraction.

Intact mass ≠ full sequenceIdentity strength depends on resolution and orthogonal evidence.

Counterions affect contentWater, salt form and solvents change the as-is composition.

Storage needs a data basisShipping practice is not the same as stability evidence.

Evidence map

Research context

Published studies and regulatory records, not customer testimonials or usage guidance.

Biology review

hCG has multiple molecular forms and biological roles

Endogenous biology does not verify a recombinant or urine-derived catalog lot.

View primary record
Comparative review

LH and hCG differ in signaling despite sharing a receptor

Shared receptor activity does not make the hormones interchangeable.

View primary record
Evidence boundary: each card states its evidence type. Human trials and regulatory records describe the studied or regulated intervention; preclinical records remain model-specific. None verifies the identity, quality, safety or efficacy of this catalog lot or provides usage instructions.

Literature basis

Curated references

Third-party publications selected for direct relevance.

  1. 01 Biology review
  2. 02 Comparative review

Research FAQ

HCG questions

Concise answers for researchers comparing identity, evidence and catalog variants.

What is HCG?

hCG is a heterodimeric glycoprotein hormone that activates the luteinizing-hormone/chorionic-gonadotropin receptor. Recombinant and urine-derived finished medicines have defined standards and indications; these cannot be transferred to an unspecified research lot.

What evidence is available for HCG?

The biology is well established, while clinical conclusions are finished-product and indication specific.

Does the cited research validate this catalog material?

No. The cited records describe their own intervention, formulation, model and controls. They do not verify the identity, purity, sterility, safety or efficacy of a catalog lot.

Which quality documents can be requested?

A lot-specific COA, product specification sheet and analytical method summary can be requested where applicable.

How should HCG be stored?

Store at -20 °C, protected from light and moisture. After reconstitution, aliquot and avoid repeated freeze-thaw cycles. Confirm the applicable storage statement on the product-specific specification and lot documentation.

Knowledge center

Related insights

Owned educational content connected to this family.

AI-generated illustration: reproductive-endocrinology evidence review

hCG Evidence Guide: Official Label, Trials and Claim Boundaries

Human chorionic gonadotropin has established reproductive biology and regulated finished-drug uses. Those facts do not make every hCG source, glycoform or catalog material interchangeable.

Updated September 8, 2026
AI-generated illustration: protein bioassay and activity-unit workflow

hCG Quality Guide: Glycoprotein Subunits, Source and USP Units

hCG is a heterodimeric glycoprotein with shared alpha and distinct beta subunits. Source, glycosylation, isoform distribution and biological potency matter more than a single…

Updated September 8, 2026

Knowledge tools

Continue with structured evidence

Move from this dossier into canonical evidence maps, verified status records, analytical interpretation and laboratory calculations.

Internal technical source review

Claims were checked against the linked primary publication, regulatory label or authoritative compound record. Published findings stay attached to their study model, formulation and route. Catalog identity and lot quality remain controlled by the applicable specification and lot-specific documents.

Editorial status: NHD evidence editorial workflow · 2026-09-01 · Not independent medical review · Review policy

Technical procurement

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Selected: G1K · 1000 IU × 10 vials