PT-141 Pen
PT-141 Pen is a 10mg pre-filled pen research peptide, in stock and dispatched from the EU within 24 hours on working days. Pre-filled pen: 3 ml of bacteriostatic water with 10 mg of PT-141 (3.33 mg/ml).
- Content
- 10mg
- Purity
- 99%+
Number of vials
- Shipping from €10
- Tracked and express delivery are available at checkout
- Free shipping on orders over €200
- Dispatched within 24 hours on working days
- Delivery in 1 to 4 working days across the EU and Monaco
- Discreet packaging: plain outer box, no product names or branding on the outside. A neutral billing name on your card statement, no product names.
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What is PT-141 Pen?
Pre-filled pen: 3 ml of bacteriostatic water with 10 mg of PT-141 (3.33 mg/ml).
Pre-filled pen: 3 ml of bacteriostatic water with 10 mg of PT-141 (3.33 mg/ml). PT-141 is a cyclic melanocortin receptor agonist studied in cellular and preclinical signalling models. Compatible 31G pen needles are sold separately. For research purposes only, not for human consumption.
Specifications
- Molecular Weight
- 1025.2 g/mol
- Sequence
- Ac-Nle-cyclo(-Asp-His-D-Phe-Arg-Trp-Lys)-OH
- Purity
- 99%+
- Physical Form
- Pre-filled pen
- Pen Size
- 10mg
- Storage
- -20°C
- Appearance
- White to off-white lyophilized powder
- Shelf Life
- 24 months unopened at -20°C
- Compatible Needles
- Standard 31G pen needles (sold separately)
- Concentration
- 3.33 mg/ml
- Cartridge volume
- 3 ml
What is PT-141 Pen studied for?
Studied in the context of
- Pre-filled pen: 3 ml of bacteriostatic water with 10 mg of PT-141 (3.33 mg/ml).
- PT-141 is a cyclic melanocortin receptor agonist studied in cellular and preclinical signalling models.
- Compatible 31G pen needles are sold separately.
- For research purposes only, not for human consumption.
How is PT-141 Pen stored and handled?
Storage
Store the pen at -20°C, protected from light. Once reconstituted or in use, refrigerate at 2-8°C and keep the cap on.
Pen needles
Pen needles are not included. Use a fresh standard 31G pen needle for every draw and remove it after use so the cartridge stays sealed.
For research use only
Not for human or veterinary consumption. Handle in accordance with your institution's laboratory safety protocols.
For research purposes only. Not for human consumption.
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Reviews cover packaging, delivery and documentation. Products are for laboratory research only; reviews contain no health or use claims.
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Before you order
Read before you order
All research guides- How to Store and Handle Research PeptidesLyophilised research peptides are stored in the refrigerator at 2 to 8 °C, or frozen at -20 °C for longer storage, sealed and protected from light. After reconstitution with [bacteriostatic water](/product/bacteriostatic-water-10ml) the solution is kept refrigerated, never shaken, and never refrozen.5 min read
- How to Read a Peptide COA (Certificate of Analysis)A peptide certificate of analysis shows what an independent laboratory found in one specific batch: identity confirmed by mass spectrometry, purity measured by HPLC, and the measured quantity against the labelled amount. Read it by checking the identity result first, then the purity figure and the test date.6 min read
- Where to Buy Research Peptides in Europe: A 2026 Buyer's ChecklistThe safest way to buy research peptides in Europe is from a supplier that stocks in the EU, publishes an independent lab report for each batch, ships in discreet tracked packaging, accepts regulated payment methods and states clearly that the products are for research use only. Ordering inside the EU avoids customs handling entirely.7 min read
- What your vial should look likeA sealed research peptide vial normally holds a white to off-white lyophilized cake or powder under an intact stopper and crimp cap. Pre-filled pens and nasal spray kits arrive sealed, with their documented appearance on the product page. Appearance never proves identity or purity; the COA for the batch does.4 min read
1× PT-141 Pen
€99.97