PT-141 (Bremelanotide) 10 mg

.stl-pdp{ –c-logo:#062021; –c-deep:#081c17; –c-forest:#0a3721; –c-green:#0ea43c; –c-lime:#91c72e; –c-grey:#e0e0e0; –c-white:#ffffff; –c-ink:#0d2a22; –c-mut:#52635c; –c-line:#e3e9e6; –c-line-d:rgba(255,255,255,.14); –c-mut-d:#aebfb7; max-width:1000px;margin:0 auto;color:var(–c-ink); font-family:”Helvetica Neue”,Arial,system-ui,-apple-system,Segoe UI,Roboto,sans-serif; line-height:1.6;-webkit-font-smoothing:antialiased; } .stl-pdp *{box-sizing:border-box} .stl-pdp h2,.stl-pdp h3{letter-spacing:-.02em;line-height:1.15;color:var(–c-logo)} .stl-pdp h2{font-size:clamp(1.5rem,3.4vw,2.1rem);font-weight:800;margin:0 0 .5rem} .stl-pdp h3{font-size:1.18rem;font-weight:800;margin:0 0 .35rem} .stl-pdp p{margin:0 0 1rem} .stl-pdp .eyebrow{display:inline-block;font-size:.74rem;font-weight:800;letter-spacing:.14em; text-transform:uppercase;color:var(–c-green);margin-bottom:.7rem} .stl-pdp .eyebrow–lime{color:var(–c-lime)} .stl-pdp a{color:var(–c-green);text-decoration:underline;text-underline-offset:2px;font-weight:600} .stl-pdp section{padding:46px 4px} .stl-pdp section + section{border-top:1px solid var(–c-line)} .stl-pdp .stl-btn{display:inline-block;background:var(–c-green);color:#fff;text-decoration:none;font-weight:800; font-size:.95rem;padding:13px 24px;border-radius:11px;transition:transform .15s,background .18s;border:0;cursor:pointer} .stl-pdp .stl-btn:hover{background:#0bbf45;color:#fff;transform:translateY(-1px)} .stl-grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px} .stl-chip{background:var(–c-white);border:1px solid var(–c-line);border-radius:14px;padding:20px 18px} .stl-chip svg{width:26px;height:26px;color:var(–c-green);margin-bottom:10px} .stl-chip b{display:block;color:var(–c-logo);font-size:.98rem;margin-bottom:3px} .stl-chip span{font-size:.86rem;color:var(–c-mut)} .stl-spec{background:#fff;border:1px solid var(–c-line);border-radius:18px;overflow:hidden;color:var(–c-ink); box-shadow:0 1px 2px rgba(6,32,33,.04),0 14px 40px rgba(10,55,33,.08)} .stl-spec__tabs{display:flex;gap:4px;background:#f1f6f3;padding:7px;flex-wrap:wrap;border-bottom:1px solid var(–c-line)} .stl-spec__tab{appearance:none;border:0;background:transparent;cursor:pointer;font:inherit;font-weight:700; font-size:.92rem;color:var(–c-mut);padding:11px 18px;border-radius:10px;transition:background .18s,color .18s; flex:1 1 auto;min-width:120px;text-align:center} .stl-spec__tab:hover{color:var(–c-logo)} .stl-spec__tab[aria-selected=”true”]{background:var(–c-forest);color:#fff;box-shadow:0 3px 12px rgba(10,55,33,.28)} .stl-spec__tab:focus-visible{outline:3px solid var(–c-green);outline-offset:2px} .stl-spec__panel{padding:28px clamp(20px,3vw,34px) 34px} .stl-spec__panel[hidden]{display:none} .stl-spec__table{width:100%;border-collapse:collapse;font-size:.95rem} .stl-spec__table caption{text-align:left;font-weight:800;color:var(–c-logo);font-size:1.06rem;padding-bottom:16px} .stl-spec__table th,.stl-spec__table td{text-align:left;padding:13px 4px;border-bottom:1px solid var(–c-line);vertical-align:top} .stl-spec__table tr:last-child th,.stl-spec__table tr:last-child td{border-bottom:0} .stl-spec__table th{width:38%;font-weight:700;color:var(–c-ink)} .stl-spec__table td{color:var(–c-mut)} .stl-spec__table tbody tr:hover{background:#f6faf8} .stl-spec__table sub{font-size:.72em} .stl-seq{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;word-break:break-word;line-height:1.5} .stl-copy{display:inline-flex;align-items:center;gap:8px;flex-wrap:wrap} .stl-copy__btn{appearance:none;border:1px solid var(–c-line);background:#fff;border-radius:7px; cursor:pointer;font:inherit;font-size:.74rem;font-weight:700;color:var(–c-green);padding:3px 9px;transition:background .15s,border-color .15s} .stl-copy__btn:hover{background:#f1f6f3;border-color:var(–c-green)} .stl-copy__btn:focus-visible{outline:2px solid var(–c-green);outline-offset:1px} .stl-copy__btn[data-copied=”1″]{color:#fff;background:var(–c-green);border-color:var(–c-green)} .stl-trust{display:grid;gap:13px} .stl-trust__row{display:flex;gap:13px;align-items:flex-start;padding:15px 17px;background:#f4f8f5;border-radius:12px} .stl-trust__ic{flex:0 0 auto;width:22px;height:22px;color:var(–c-green);margin-top:1px} .stl-trust__row b{color:var(–c-logo)} .stl-trust__row p{margin:4px 0 0;font-size:.9rem;color:var(–c-mut)} .stl-pill{display:inline-block;background:var(–c-lime);color:#062021;font-size:.76rem;font-weight:800;padding:3px 11px;border-radius:999px;margin-left:8px;vertical-align:middle} .stl-spec h3{color:var(–c-logo)} .stl-spec .stl-sub{color:var(–c-mut);font-size:.92rem;margin:0 0 18px} .stl-list{list-style:none;margin:0;padding:0;display:grid;gap:12px} .stl-list li{display:flex;gap:12px;align-items:flex-start;font-size:.94rem;color:var(–c-ink)} .stl-list li b{color:var(–c-logo)} .stl-list svg{flex:0 0 auto;width:18px;height:18px;color:var(–c-green);margin-top:3px} .stl-spec a.stl-btn{margin-top:20px} .stl-coa{margin:6px 0 24px} .stl-coa img{display:block;width:100%;height:auto;border:1px solid var(–c-line);border-radius:12px;background:#fff} .stl-coa figcaption{font-size:.84rem;color:var(–c-mut);margin-top:8px} .stl-coa-head{display:flex;align-items:center;flex-wrap:wrap;margin:26px 0 10px} .stl-coa-head h3{margin:0} .stl-feat{display:grid;grid-template-columns:1fr 1fr;gap:14px 30px;margin-top:8px} .stl-feat div{display:flex;gap:11px;align-items:flex-start} .stl-feat svg{flex:0 0 auto;width:19px;height:19px;color:var(–c-green);margin-top:3px} .stl-feat b{color:var(–c-logo)} .stl-feat p{margin:2px 0 0;font-size:.9rem;color:var(–c-mut)} .stl-reg{background:var(–c-deep);color:#fff;border-radius:18px;padding:clamp(26px,4vw,40px)} .stl-reg h2{color:#fff} .stl-reg .eyebrow{color:var(–c-lime)} .stl-reg__grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:18px} .stl-reg__card{background:rgba(255,255,255,.05);border:1px solid var(–c-line-d);border-radius:12px;padding:18px 20px} .stl-reg__card b{color:var(–c-lime);display:block;margin-bottom:5px;font-size:.95rem} .stl-reg__card p{margin:0;font-size:.9rem;color:var(–c-grey)} .stl-refs{font-size:.84rem;color:var(–c-mut);counter-reset:r;list-style:none;padding:0;margin:0;display:grid;gap:9px} .stl-refs li{padding-left:30px;position:relative} .stl-refs li::before{counter-increment:r;content:counter(r);position:absolute;left:0;top:0; width:21px;height:21px;background:var(–c-forest);color:var(–c-lime);border-radius:6px; font-size:.72rem;font-weight:800;display:flex;align-items:center;justify-content:center} .stl-note{margin-top:8px;padding:16px 18px;border-left:4px solid var(–c-green);background:#f2f7f4; border-radius:0 10px 10px 0;font-size:.85rem;color:var(–c-mut)} .stl-note b{color:var(–c-logo)} .stl-pdp–nojs .stl-spec__tabs{display:none} .stl-pdp–nojs .stl-spec__panel[hidden]{display:block} .stl-pdp–nojs .stl-spec__panel + .stl-spec__panel{border-top:1px solid var(–c-line)} @media (max-width:760px){ .stl-grid4{grid-template-columns:1fr 1fr} .stl-feat,.stl-reg__grid{grid-template-columns:1fr} .stl-spec__table th{width:46%} } @media (max-width:440px){.stl-grid4{grid-template-columns:1fr}} @media (prefers-reduced-motion:reduce){.stl-pdp *{transition:none!important}} .stl-pdp{font-size:16px} .stl-pdp p,.stl-pdp li,.stl-pdp td,.stl-pdp th,.stl-pdp .stl-spec__table{font-size:16px;line-height:1.65} .stl-pdp .stl-chip span,.stl-pdp .stl-sub,.stl-pdp .stl-feat p,.stl-pdp .stl-reg__card p,.stl-pdp .stl-trust__row p,.stl-pdp .stl-refs li,.stl-pdp .stl-note,.stl-pdp .stl-copy__btn,.stl-pdp .stl-btn,.stl-pdp .stl-spec__tab{font-size:16px} .stl-pdp h3{font-size:1.4rem} .stl-pdp h2{font-size:clamp(2rem,3vw,2.5rem)} .stl-pdp .eyebrow,.stl-pdp .eyebrow–lime{font-size:14px} .stl-pdp .stl-pill{font-size:14px} .stl-pdp .stl-coa figcaption{font-size:14px} .stl-pdp .stl-refs li::before{font-size:14px} .stl-pdp .stl-spec__table sub{font-size:14px} .stl-pdp .stl-spec__table caption{font-size:18px} .stl-pdp .stl-seq{font-size:13px} Why this peptide Key highlights 10 mg lyophilized vialFreeze-dried peptide in a sterile, UV-resistant glass vial. 99.9% HPLC purityEach lot analyzed by an accredited US third-party lab via HPLC and mass spectrometry. Cold-chain peptideRefrigerate after reconstitution. Diluent and lab supplies not included. Research use onlySupplied exclusively for laboratory investigation and development. Technical data Product specifications Specifications Lab Reports Storage & Handling PT-141 (Bremelanotide) — 10 mg lyophilized Compound Class Synthetic Cyclic Heptapeptide · Melanocortin Receptor Agonist Form Lyophilized powder in sterile glass vial Quantity 10 mg per vial CAS Number 1607799-13-2Copy Chemical Formula C50H68N14O10Copy Molar Mass 1,025.18 g/mol Half-Life ~2.7 hours Amino Acid Sequence Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-OH Copy sequence Synonyms PT-141, Bremelanotide, PT 141 Net Peptide Content ≥96% (includes stabilizing agents) Verified Purity Batch-tested to 99.9% (HPLC) For laboratory research use only. Not for human or animal consumption. View certificates of analysis Independently verified This peptide is analyzed by an accredited US third-party laboratory before it ships. Accredited testing partner Identity and purity confirmed by MZ Biolabs (Tucson, AZ), a US DEA-licensed analytical facility, via HPLC purity analysis and mass-spectrometry identity confirmation under GLP standards. Published certificates of analysis Our third-party certificates of analysis are published on our website — no login required. PT-141 (Bremelanotide)99.9% pure Most recent batch certificate of analysis for PT-141 (Bremelanotide), issued by MZ Biolabs (Tucson, AZ). Tap to view full size. See all certificates of analysis Storage & handling Peptides are photo- and temperature-sensitive; handle per standard laboratory practice. Lyophilized storage: Keep the sealed vial cool, dry, and protected from light. For longer-term storage, freezing is standard practice for lyophilized peptides. After reconstitution: Refrigerate (approximately 2–8 °C) and follow your institution’s SOPs for aliquoting, handling, and disposal. Avoid repeated freeze–thaw cycles. Diluent not included: A suitable laboratory diluent and reconstitution supplies are not provided with this product. UV-resistant glass vial to help protect photo-labile peptides during storage. Tamper-evident seal to support chain-of-custody and inventory controls. Sourcing & quality Why source PT-141 from Sports Technology Labs Quality control across the research-peptide industry is inconsistent, and many suppliers do not publish third-party testing for their products. Independent verification of identity and purity is essential for reproducible research. Third-party tested & certified Verified by MZ Biolabs (Tucson, AZ), an accredited US laboratory, via HPLC and mass spectrometry, with batch-linked COAs. Lyophilized & packaged in America Freeze-dried into sterile, UV-resistant glass vials and packaged in the USA. Tamper-evident packaging Supports chain-of-custody, label transparency, and batch-linked traceability. 60-day money-back guarantee Transparent business, standard payment methods, no misrepresentation. Research context What is PT-141? PT-141, also known as bremelanotide, is a synthetic cyclic heptapeptide and a melanocortin receptor agonist. It is structurally related to Melanotan II, being the C-terminal carboxylic-acid analog of that peptide (the sequence terminates in -OH rather than -NH₂). Mechanistically, it acts as an agonist at the melanocortin receptors, with activity reported primarily at MC4R and additional activity at MC1R and MC3R. It is studied as a research chemical to investigate melanocortin-receptor signaling in experimental models. PT-141 is supplied here strictly as a research chemical for laboratory research. Sports Technology Labs makes no claims regarding its effects, and nothing in this listing should be interpreted as describing outcomes in humans or animals. Regulatory & compliance status Important regulatory information Not approved for human use as supplied This research-grade material is not an approved drug product and is not for human or animal consumption. Although bremelanotide is the active ingredient in an approved prescription medication, this material is supplied solely as a research chemical and is not that product. WADA status Melanocortin receptor agonists such as PT-141 are not currently listed on the World Anti-Doping Agency Prohibited List. Legal status varies by jurisdiction In the United States, PT-141 is not a controlled substance and may be legally purchased and possessed for laboratory research use. Other jurisdictions may regulate it differently. Our position Sports Technology Labs are chemical suppliers, not medical providers. We do not condone or encourage consumer use of research compounds. Citations Scientific references Al-Obeidi F, Hadley ME, Pettitt BM, Hruby VJ. Design of a new class of superpotent cyclic α-melanotropins based on quenched dynamic simulations. J Am Chem Soc. 1989;111(9):3413–3416. National Center for Biotechnology Information. PubChem Compound Summary for Bremelanotide (PT-141): sequence, molecular formula, and molecular weight. PubChem, National Library of Medicine. Research use only. All products on this website are intended exclusively for laboratory research and development. They are not for human or animal consumption. These statements have not been evaluated by the U.S. Food and Drug Administration, and these products are not intended to diagnose, treat, cure, or prevent any disease. {“@context”:”https://schema.org”,”@type”:”ChemicalSubstance”,”name”:”PT-141 (Bremelanotide)”,”alternateName”:[“PT-141″,”Bremelanotide”,”PT 141″],”identifier”:[{“@type”:”PropertyValue”,”propertyID”:”CAS”,”value”:”1607799-13-2″}],”molecularFormula”:”C50H68N14O10″,”molecularWeight”:”1025.18 g/mol”,”description”:”PT-141 (Bremelanotide), 10 mg lyophilized, a synthetic cyclic heptapeptide and melanocortin receptor agonist, supplied for laboratory research use only. Third-party tested to 99.9% purity.”,”hasBioChemEntityPart”:”Synthetic cyclic heptapeptide; melanocortin receptor agonist”} (function(){ var root=document.currentScript&&document.currentScript.closest(‘[data-stl-spec]’); if(!root){var all=document.querySelectorAll(‘[data-stl-spec]’);root=all[all.length-1];} if(!root||root.dataset.stlInit)return;root.dataset.stlInit=’1′; root.classList.remove(‘stl-pdp–nojs’); var tabs=[].slice.call(root.querySelectorAll(‘[role=”tab”]’)); var panels=tabs.map(function(t){return root.querySelector(‘#’+t.getAttribute(‘aria-controls’));}); function select(i){tabs.forEach(function(t,j){var on=j===i;t.setAttribute(‘aria-selected’,on?’true’:’false’);t.tabIndex=on?0:-1;if(panels[j])panels[j].hidden=!on;});} tabs.forEach(function(t,i){ t.addEventListener(‘click’,function(){select(i);}); t.addEventListener(‘keydown’,function(e){var n; if(e.key===’ArrowRight’||e.key===’ArrowDown’)n=(i+1)%tabs.length; else if(e.key===’ArrowLeft’||e.key===’ArrowUp’)n=(i-1+tabs.length)%tabs.length; else if(e.key===’Home’)n=0;else if(e.key===’End’)n=tabs.length-1;else return; e.preventDefault();select(n);tabs[n].focus();}); }); root.querySelectorAll(‘[data-stl-copy]’).forEach(function(btn){ btn.addEventListener(‘click’,function(){var v=btn.getAttribute(‘data-stl-copy’); var done=function(){btn.dataset.copied=’1′;var o=btn.textContent;btn.textContent=’Copied’;setTimeout(function(){btn.dataset.copied=”;btn.textContent=o;},1400);}; if(navigator.clipboard&&navigator.clipboard.writeText){navigator.clipboard.writeText(v).then(done).catch(done);} else{var ta=document.createElement(‘textarea’);ta.value=v;document.body.appendChild(ta);ta.select();try{document.execCommand(‘copy’);}catch(e){}document.body.removeChild(ta);done();} }); }); })(); (function(){var s=document.querySelectorAll(‘[data-stl-spec]’);var el=s[s.length-1];if(el&&!el.dataset.stlInit)el.classList.add(‘stl-pdp–nojs’);})();