GHRH & GH Secretagogues · Sourced to order
HGH Fragment 176-191 Wholesale
We source HGH Fragment 176-191 to order for research-supply buyers. It isn’t held in our listed catalog, so availability, vial sizes, lead time and pricing are confirmed on your written quote.
For laboratory research use only. No prices are published; we reply with a written quote.
Identity
| Name | HGH Fragment 176-191 |
|---|---|
| Synonyms | HGH Fragment 176-191, GLXC-21568 |
| Molecular formula | C80H127N23O24S2 |
| Molecular weight | 1859.1 g/mol |
As published by PubChem, retrieved November 1, 2026. PubChem CID 172966176
Published research on HGH Fragment 176-191: publication statistics and study types.
How sourcing to order works
- Tell us the spec. Compound, vial size, number of vials and where it ships.
- We check availability with the manufacturer and confirm what documentation exists for the lot.
- You get a written quote with pricing, lead time and the lot, before anything is ordered.
- Label and ship. Sourced stock can carry your white label and ship as your brand through 3PL.
Larger runs go factory-direct from the manufacturer. Step by step: how wholesale ordering works.
Technical background
Synthesis, testing and research-use status
How research peptides are made
Most research peptides, HGH Fragment 176-191 included, are made by solid-phase peptide synthesis: amino acids are added one at a time to a chain anchored on a resin, with protecting groups that stop unwanted reactions. When the chain is complete it is cleaved from the resin and purified, usually by preparative HPLC. Synthesis can leave truncated or deletion sequences, which is exactly what purity testing looks for.
Lyophilization: why peptides ship as powder
Lyophilization, or freeze-drying, removes water from a frozen material by sublimation under vacuum. The dry powder that results is generally more stable than a solution, which is why many peptides are supplied lyophilized in a sealed vial. The supplied form is stated on each product page. We do not give reconstitution or preparation instructions.
What HPLC and mass spectrometry show
Reversed-phase HPLC separates the components of a sample and expresses purity as the share of the main peak's area at a given wavelength. LC-MS confirms identity by comparing the measured molecular mass with the expected one. Neither test proves everything on its own: HPLC does not identify the compound, and mass does not measure purity. And a report applies to the lot that was tested, not to others.
Batch consistency and lot traceability
Every lot carries its number, and the number on the vial is what links it to its report. Comparing lots over time, from the same laboratory and method, is how you see whether a supply is consistent. Ask for the report for the lot you will receive before you order.
Research use only: what it means
Research-use-only materials are supplied for laboratory and in vitro work. They are not drugs, foods, cosmetics or dietary supplements, and they are not for human or veterinary use. That is why we publish no dosing, preparation or usage claims.
More detail: testing and batch COAs · how to read a COA
Beyond the catalog
Not listed? We can still get it.
The 32 products listed here are what we hold. We source 50 further compounds to order, and anything beyond that on request, with documentation. Tell us the compound, vial size and quantity and we come back with availability and pricing in writing.
HGH Fragment 176-191 sourcing questions
Do you stock HGH Fragment 176-191?
Not in the listed catalog. We source HGH Fragment 176-191 to order. Tell us the vial size and the number of vials and we come back with availability, lead time and pricing in writing.
What documentation comes with HGH Fragment 176-191?
Sourced material is supplied with the documentation available for the lot. Ask for it before you order; we tell you plainly what exists for a given lot rather than promising a report that hasn't been issued.
What sizes can I order?
Sizes depend on what the manufacturer runs. Tell us the size and quantity you want and the quote confirms what is available.
What is the identity data for HGH Fragment 176-191?
PubChem lists HGH Fragment 176-191, molecular formula C80H127N23O24S2, molecular weight 1859.1 g/mol. Retrieved November 1, 2026.
Is HGH Fragment 176-191 for human use?
No. Everything we supply is for laboratory research use only. Not for human or veterinary use, and not a drug, food, cosmetic or dietary supplement.
Research materials supplied by Vanta Foundry are for laboratory research use only. They are not for human or veterinary use and are not drugs, foods, cosmetics or dietary supplements. Websites and payment processing are business services for research-supply brands.
Ask for HGH Fragment 176-191.
Send the compound, vial size and quantity. A person on our team replies with availability and pricing.