PTY-MX-4 12.5 mg / 2.5 mg, glass vial, crimp seal, flip-top cap, Amino Party Peptides label

Blends

PTY-MX-4

Two code-named compounds from our catalog share this vial; the components list says which ones. Each has its own research record, but we found nothing published on the pair together in one product, so the notes below treat them one at a time.

12.5 mg / 2.5 mgPTY-MX4-12.5-2.5$113.99
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Container
Glass vial, crimp seal, flip-top cap
Storage
-20 °C, desiccated
In the vial
PTY-RTA-3 12.5 mg + PTY-AMR-1 2.5 mg
Paperwork
Lot certificate (HPLC + mass spec) shown before you pay

Lot certificates

You’ll see American Peptides on the lab’s copy. They’re our supplier.

  • 12.5 mg / 2.5 mg, lot RTCAG15-0803: 99.70% purity (RP-HPLC), 12.59 mg / 2.61 mg measured, identity confirmed by mass spec. Issued 2026-08-28 by Bioviridian Inc.. Verify certificate COA7594

Our vials are filled from lots made by our supplier, American Peptides, and tested by Bioviridian Inc.The laboratory’s original certificate lists American Peptides as the vendor. Look up the code at bioviridians.com to check it.

What researchers study it for

  • Lab-made peptide, freeze-dried
  • Reference code LY3437943
  • Reference code AM833

How it is thought to work

PTY-RTA-3: This peptide engages several receptor types at once, and bench experiments with it look at that binding and at the signals it sets off inside cells. PTY-AMR-1: This analogue is built to stay active for an extended time, and bench experiments with it look at receptor binding and at the signals it sets off inside cells.

Where the research stands

Blend of research compounds. Each component is studied separately; as a combined vial it has no dedicated published research. The least-established component is PTY-RTA-3: lab reagent.

For laboratory research use only. Not a drug, food, supplement or cosmetic; not for human or veterinary use. Nothing on this page is medical advice or a usage guide.

Amino Party Peptides

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Buy 2 of a vial and save 10%, 3 and save 15%. Research sets are 15% off, and shipping is free over $200.00.