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Peptide: HGH Fragment 176-191
Purity: ≥99%
Quantity: 5 mg
Form: Lyophilized powder
CAS Number: 221231-10-3
Intended Use: Laboratory research purposes only
Peptide Class: Growth hormone fragment peptide
Molecular Formula: C78H123N23O23S2
Solubility: Soluble in appropriate aqueous research solvents
Stability: Stable when stored according to recommended storage guidelines


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This product is synthesized to high analytical purity standards to ensure reliability and consistency for laboratory research applications. Each production batch undergoes strict quality testing and verification before release.
A Certificate of Analysis (COA) is available for every batch, confirming purity levels and compliance with established quality control specifications.
Due to limited space on product vial labels, only basic storage instructions may appear on the packaging. The information below provides additional general guidance to support proper storage and handling.
Important: If any instructions printed on the vial label differ from the guidance below, always follow the instructions provided on the vial label.
Maintaining stable and appropriate storage temperatures is essential for preserving product quality and stability.
Room Temperature
Avoid prolonged storage at room temperature.
Refrigerated Storage
Recommended temperature range: 2–8°C (36–46°F)
Frequently recommended for many peptide products, particularly for extended storage or after reconstitution.
Frozen Storage
Temperature: −20°C (−4°F) or lower
Freezing should only be performed if explicitly indicated on the product label or accompanying documentation.
Avoid repeated warming, cooling, or freeze–thaw cycles, as temperature fluctuations may negatively affect product stability.
Refrigerator
Suitable for many lyophilized (freeze-dried) peptides and most reconstituted solutions
Store in the main section of the refrigerator, not in the door
Protect from light exposure and moisture
Freezer
Use only if freezing is specifically permitted
Store in airtight containers or sealed packaging
Avoid repeated thawing and refreezing
Keep vials sealed until ready for use
Store in a cool and dry environment
Protect from direct light, heat, and humidity
Avoid areas with frequent temperature changes, such as vehicles or windowsills
Use clean, dry laboratory tools and surfaces
Avoid vigorous shaking; gentle mixing is recommended
Minimize time outside recommended storage conditions
Do not transfer or combine contents between containers
Inspect products immediately upon delivery
Store according to recommended conditions as soon as possible
Contact support if the product appears damaged or if temperature exposure during shipping is suspected
Dispose of unused product and packaging in accordance with local regulations and laboratory safety procedures.
This product is supplied strictly for laboratory research purposes only.
It is not intended for human or veterinary use.
No medical, therapeutic, or diagnostic claims are made or implied regarding this product.
Q. What is HGH Fragment 176‑191?
A. HGH Fragment 176‑191 is a synthetic peptide used in laboratory research to study specific fragments of human growth hormone.
Q. What is the purpose of HGH Fragment 176‑191 in research?
A. This peptide helps researchers explore metabolic functions and fat‑related pathways in controlled scientific studies.
Q. Can I buy HGH Fragment 176‑191 from a peptide supplier in UK?
A. Yes, we are a trusted peptide supplier in the UK offering high‑quality research peptides including HGH Fragment 176‑191.
Q. Is HGH Fragment 176‑191 suitable for human use?
A. No. All our peptides are strictly for laboratory and scientific research. They are not approved for human or veterinary use.
Q. How pure is the HGH Fragment 176‑191 offered?
A. Our HGH Fragment 176‑191 peptide is provided at high purity levels, ensuring reliable results in your research.
Q. Can I buy research peptides like HGH Fragment 176‑191 5mg online?
A. Yes. You can buy research peptides online directly through our website Alveque Peptides with a secure and easy ordering process.
Q. Do you provide a COA for HGH Fragment 176‑191?
A. Yes. Every batch includes a Certificate of Analysis with purity details and verification data.
Q. How should HGH Fragment 176‑191 be stored?
A. Store it in a cool, dry place. Avoid heat or humidity to maintain peptide stability during research.
Q. Can you ship HGH Fragment 176‑191 internationally?
A. Yes. We ship research peptides worldwide. Orders must comply with import rules of the destination country.
All products supplied by Alveque Peptides are exclusively intended for use in laboratory and scientific research settings.
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