Held and shipped from a United States warehouse. How testing works

PT-141 10mg vial

Product render, not a photograph — the vial and label are shown as supplied. Vials ship dry; no diluent is included.

Repair

PT-141 10mg

99.76% purity

Measured by Janoshik

Lot CL-2606-PT141-A

View certificate
$62 $6.20 / mg · single 10 mg vial

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Pick how many, then add to cart. Same product, same order. Mix-and-match bundles are here.

Sourced to order · in hand within 2 days

US shipping $20 flat, or free local pickup. Same-week local pickup across Southwest Florida and Greater Philadelphia.

Part of the Summer 2026 Drop. Not restocked mid-drop — the next batch is a different lot with its own certificate.

For research use only. Not for human consumption. Not approved for medical use, treatment, or diagnosis.

Specification

Compound
PT-141 (Bremelanotide)
Strength per vial
10 mg
Format
Single 10 mg vial - 2 or more for 15% off
Mass per vial
10 mg
Form
Sterile freeze-dried powder
Category
Repair
Sequence
Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-OH (7 amino acids; N-acetyl norleucine, side-chain lactam between Asp and Lys, free C-terminal acid)
CAS number
189691-06-3
Molecular weight
1025.2 g/mol (free peptide)
Molecular formula
C50H68N14O10
Testing laboratory
Janoshik

Research context

Bremelanotide, also designated PT-141, is a synthetic cyclic heptapeptide analogue of alpha-melanocyte-stimulating hormone, Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-OH, characterised as an agonist at melanocortin receptors including MC3R and MC4R (Molinoff et al., Annals of the New York Academy of Sciences 2003).

Full PT-141 (Bremelanotide) reference — chemistry, sequence and published context →

Storage & laboratory handling

  • Supplied as a sterile freeze-dried (lyophilised) powder, sealed under vacuum.
  • Ships dry. The vial is not reconstituted, and no diluent or solvent is included or sold with it.
  • Store the unopened vial refrigerated and protected from light.
  • Allow the vial to reach room temperature before breaking the seal, to limit condensation.
  • Handle under conditions appropriate to your laboratory's protocols.

Handling guidance covers storage of the material as supplied. It is not preparation or administration guidance, and none is provided.

Verification

PT-141 (Bremelanotide) is HPLC-MS tested for identity, purity and mass by an independent laboratory before it is listed. A certificate names the lot number printed on the box, so the document and the vial in front of you refer to the same batch, and is available on request.

Certificate for lot CL-2606-PT141-A →

Common questions

What exactly is in a vial of PT-141 10mg?

10 mg of PT-141 (Bremelanotide) as Sterile freeze-dried powder, in a 3 mL vial, sealed and shipped dry. No diluent is included. The lot number is printed on the box.

What is the measured purity of PT-141 10mg?

The current lot, CL-2606-PT141-A, measured 99.76% by HPLC-MS at Janoshik. Purity is the proportion of the sample that is this compound; it is not the same as how much peptide is in the vial. How to read a COA.

Does PT-141 10mg come with a Certificate of Analysis?

Yes - a certificate for the lot you receive is available on request. Quote the lot number printed on the box. The certificate names that lot specifically; it is never averaged across batches or reused from an earlier one.

How is PT-141 10mg shipped and stored?

It travels as a freeze-dried powder, which is stable in transit without a cold chain. Shipping is $20 flat anywhere in the United States, or free local pickup and delivery across Southwest Florida and Greater Philadelphia. Store the sealed vial as described on the label.

Is PT-141 10mg approved for human use?

No. This material is supplied to qualified researchers for laboratory use only. It is not approved by the FDA or any other regulator for human or veterinary use, and nothing on this site is guidance on use.