Description
The HGH fragment 176-191 peptide vial from Umbrella Labs comes as freeze-dried powder in a sealed vial. You can choose 2mg, 5mg or 10mg. Each batch is tested by LC-MS to 99% purity or higher. Prices start at $26.99. It’s sold for laboratory research only.
See all peptide vials for more options in this format.
What is HGH fragment 176-191?
HGH fragment 176-191 is the C-terminal stretch of human growth hormone. It’s the region linked to GH’s effects on fat breakdown.
AOD-9604 is a close modified form.
HGH fragment 176-191 peptide vial specifications
- Compound: HGH fragment 176-191 (Somatotropin (176-191), L-Phenylalanine, L-phenylalanyl-L-leucyl-L-arginyl-L-isoleucyl-L-valyl-L-glutaminyl-L-cysteinyl-L-arginyl-L-seryl-L-valyl-L-alpha-glutamylglycyl-L-seryl-L-cysteinylglycyl-)
- CAS number: 66004-57-7
- Molecular formula: C78H125N23O23S2
- Molecular weight: 1812.12
- Purity: 99% or higher, tested by LC-MS
- Size: 2mg, 5mg and 10mg
- Form: Lyophilized (freeze-dried) powder in a sealed vial
- Storage: Keep it in the fridge at 2 to 8°C and don’t freeze it
- Use: laboratory research only, not for human or veterinary use
What studies say about HGH fragment 176-191
Ng and colleagues reported in 2000 that the fragment reduced weight gain and fat in obese mice.
It doesn’t raise IGF-1.
Search PubMed for the full studies. We stick to what’s been published.
Reconstituting HGH fragment 176-191 for research
HGH fragment 176-191 arrives as a freeze-dried (lyophilized) powder in a sealed glass vial. It has to be dissolved before use, and for most peptides that means bacteriostatic water. Let the water run slowly down the inside wall of the vial, then swirl gently until the solution is clear. Don’t shake it.
The amount of water you add sets the concentration. For example, adding 2mL of bacteriostatic water to a 2mg vial gives 1mg per mL. Write the volume and the date on the label so anyone picking up the vial later knows what’s in it.
We sell bacteriostatic water in 30mL vials, and acetic acid solution for the few peptides that don’t dissolve well in water.
Choosing a HGH fragment 176-191 vial size
The vial comes in 2mg, 5mg and 10mg. The contents are the same apart from the amount, so the choice comes down to how much your study needs and how quickly you’ll use a mixed vial.
Mixed peptides don’t last as long as dry ones, so several smaller vials can work out better than one large one if you’re running a slow study.
HGH fragment 176-191 quality and testing
We test each batch of HGH fragment 176-191 by LC-MS, which pairs liquid chromatography with mass spectrometry. The chromatography splits the sample into its components and the mass spectrometer identifies them, which tells you both identity and purity. This batch came in at 99% or higher.
Small differences between batches are normal, so write the batch number from the label into your records. If something looks wrong when your order arrives, like discoloured powder or a cloudy solution, set it aside and don’t use it.
Storing your HGH fragment 176-191
Keep it in the fridge at 2 to 8°C and don’t freeze it. Once mixed, keep the vial in the fridge and use it within a few weeks. Unmixed vials keep much longer, so only reconstitute what you need. Label anything you decant with the compound, amount and date, and keep it out of reach of children and pets.
Common questions about the HGH fragment 176-191 peptide vial
Does HGH fragment 176-191 come with water to mix it?
No. The vial holds only the freeze-dried powder. Add bacteriostatic water to your order if you don’t already have some.
How long does mixed HGH fragment 176-191 last?
Kept in the fridge, most reconstituted peptides are good for a few weeks. Unmixed vials last much longer, especially in the fridge or freezer.
Is the HGH fragment 176-191 peptide vial in stock?
Yes. Every option on this page is in stock and ready to ship.
More research peptides like HGH fragment 176-191
Similar products in this format include Humanin HNG peptide vial, Hexarelin peptide vial, Humanin peptide vial and HCG peptide vial. Our main Research Peptides page lists everything in the category.
Buy HGH fragment 176-191 peptide vial from Umbrella Labs
Ordering takes a minute. Pick your option above, add it to your cart and check out. The HGH fragment 176-191 peptide vial is in stock and ready to ship. While you’re here, our lab supplies cover the pipettes, scales and solutions most studies need.
Sold for laboratory research use only. It isn’t for human or veterinary use, and it isn’t a food, drug or cosmetic.

















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