Gonadotropin Glycoprotein
HCG (Human Chorionic Gonadotropin) is a peptide hormone widely studied for its role in reproductive endocrine signaling and gonadotropin-related pathways.
Gonadotropin Glycoprotein
HCG
HCG (Human Chorionic Gonadotropin) is a peptide hormone widely studied for its role in reproductive endocrine signaling and gonadotropin-related pathways.
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Certificate of Analysis
Tested for Identification, Purity, Mass, Endotoxins, Sterility, and Heavy Metals
LATEST
6× TESTED
99.28%
PURITY
Variant
HCG 5,000IU
Lot #
HCG-2602-A01
Labeled
5000IU
Actual
4876.3IU
Tested
April 2, 2026
Heavy Metals
Within Limits
Endotoxins
Pass
Sterility
No Growth
LATEST
—
PURITY
Variant
HCG 10,000IU
Lot #
—
Labeled
10,000IU
Actual
—
Tested
—
Heavy Metals
—
Endotoxins
—
Sterility
—
Compound Information
Pharmaceutical Specifications
Molecular Profile
What Is HCG?
TypeGlycoprotein hormone
CAS Number9002-61-3
Molecular FormulaC₁₁₀₅H₁₇₁₉N₃₁₃O₃₃₆S₂₆
Molecular Weight25,000 - 38,000 g/mol
Amino Acids237
Storage Requirements
Stability Information
Lyophilized (powder)
-20°C · 24+ months
Reconstituted
2-8°C · ~30 days
Research
Sources & References
JOURNAL OF UROLOGY (WOLTERS KLUWER/LWW)
Concomitant Intramuscular Human Chorionic Gonadotropin Preserves Spermatogenesis in Men Undergoing Testosterone Replacement Therapy
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FERTILITY AND STERILITY (ASRM/ELSEVIER)
Optimal Restoration of Spermatogenesis After Testosterone Therapy Using Human Chorionic Gonadotropin and Follicle-Stimulating Hormone
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BJU INTERNATIONAL (WILEY)
Clomiphene Citrate and Human Chorionic Gonadotropin Are Both Effective in Restoring Testosterone in Hypogonadism: A Short-Course Randomized Study
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TRANSLATIONAL ANDROLOGY AND UROLOGY (AME PUBLISHING)
Indications for the Use of Human Chorionic Gonadotropic Hormone for the Management of Infertility in Hypogonadal Men
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CUREUS (SPRINGER NATURE)
Human Chorionic Gonadotropin Monotherapy for the Treatment of Hypogonadal Symptoms in Men with Total Testosterone >300 ng/dL
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EXPERT REVIEW OF ENDOCRINOLOGY & METABOLISM (TAYLOR & FRANCIS)
Human Chorionic Gonadotropin Treatment: A Viable Option for Management of Secondary Hypogonadism and Male Infertility
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ANDROLOGY (WILEY)
Human Chorionic Gonadotropin-Based Clinical Treatments for Infertile Men with Non-Obstructive Azoospermia
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CLINICAL ENDOCRINOLOGY (WILEY)
Society for Endocrinology Guidelines for Testosterone Replacement Therapy in Male Hypogonadism
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JOURNAL OF SEXUAL MEDICINE (ELSEVIER)
The Use of HCG-Based Combination Therapy for Recovery of Spermatogenesis After Testosterone Use
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FERTILITY AND STERILITY (ASRM/ELSEVIER)
Addition of Recombinant Follicle-Stimulating Hormone to Human Chorionic Gonadotropin Treatment in Adolescents and Young Adults with Hypogonadotropic Hypogonadism Promotes Normal Testicular Growth and May Promote Early Spermatogenesis
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