HGH Fragment 176-191

HGH Fragment 176-191

C-terminal fragment of human growth hormone.

$55.00

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Certificate of Analysis

Third Party Tested by Third-Party HPLC Lab
Variant

HGH Frag 176-191 5mg

Lot #

TPM-0104

Labeled

5mg

Actual

5.03mg

Tested Jan 18, 2026

View COA Library

Scientific Overview

HGH Fragment 176-191 is a synthetic peptide corresponding to amino acids 176 through 191 of the C-terminal region of human growth hormone. This fragment was identified as the minimal sequence involved in lipolytic activity.

Chemical Makeup

Molecular Formula

C₇₈H₁₂₅N₂₁O₂₃S₂

Molecular Weight

1817.12 g/mol

CAS Number

221231-10-3

Other Names

AOD-9604 precursor, hGH(176-191)

Appearance

White to off-white lyophilized powder

Storage

Store refrigerated at 2–8°C. For extended storage, keep frozen at -20°C. Protect from light and moisture.

Research & Clinical Studies

Structure-Activity Relationship Studies

Systematic truncation studies of the hGH molecule identified the 176-191 region as sufficient for lipolytic bioactivity in adipocyte assays. The fragment showed no somatogenic or diabetogenic activity.

AOD-9604 Clinical Development

AOD-9604, a modified form of HGH Fragment 176-191, progressed through phase 2 clinical trials and received GRAS designation from the US FDA in 2014.

References

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Frequently Asked Questions

What is the purity of HGH Fragment 176-191?
Our HGH Fragment 176-191 is verified at 98.5% purity through independent third-party HPLC analysis. Each production batch undergoes rigorous quality testing, and a Certificate of Analysis (COA) is available for review in our COA Library.
Store refrigerated at 2–8°C. For extended storage, keep frozen at -20°C. Protect from light and moisture. Once reconstituted, solutions should be used promptly or stored frozen to maintain stability. Avoid repeated freeze-thaw cycles for best results.
Yes — every batch we produce is independently tested via HPLC and mass spectrometry to confirm identity and purity. COAs for all current batches are publicly accessible through our COA Library.
All orders ship within 24 hours of purchase via USPS Priority Mail. Products are carefully sealed and packaged to ensure stability during transit. Orders over $150 qualify for free shipping. If you receive a damaged, defective, or incorrect product, please contact our support team with photos within 48 hours of delivery.
No. This product is sold exclusively for in-vitro laboratory and research purposes. It is not intended for human or animal consumption, nor for any diagnostic or therapeutic applications. Purchasers must be 18 years of age or older and assume full responsibility for lawful handling.
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