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h2{margin:30px 0 14px;color:#090057;font-size:24px;font-weight:500}\n.cmp-lib-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}\n.cmp-tile{display:block;border:1px solid #dfe4ed;border-radius:10px;background:#fff;padding:18px;text-decoration:none!important;transition:border-color .15s}\n.cmp-tile:hover{border-color:#0068c7}\n.cmp-tile strong{display:block;color:#090057;font-size:17px;font-weight:600}\n.cmp-tile span{display:block;margin-top:4px;color:#69727d;font-size:13px;line-height:1.45}\n.cmp-tile em{display:block;margin-top:10px;color:#006f65;font-size:12px;font-style:normal;font-weight:600}\n@media(max-width:800px){.cmp-grid{grid-template-columns:1fr}.cmp-img{max-width:320px}.cmp-card{padding:18px}.cmp-cta{flex-direction:column;align-items:flex-start}.cmp-main{padding:28px 0 70px}}\n<\/style>\n<style>body.parent-pageid-3351 #header,body.parent-pageid-3351 #footer,body.parent-pageid-3351 .page-title,body.parent-pageid-3351 .absolute-footer,body.parent-pageid-3351 .page-header-excerpt{display:none!important}body.parent-pageid-3351 #wrapper,body.parent-pageid-3351 #main,body.parent-pageid-3351 .page-wrapper,body.parent-pageid-3351 .page-inner,body.parent-pageid-3351 .row,body.parent-pageid-3351 .col,body.parent-pageid-3351 .col-inner{width:100%!important;max-width:none!important;margin:0!important;padding:0!important}<\/style>\n<div class=\"coa-app\">\n<header class=\"coa-site-header\">\n<div class=\"coa-vip\"><span>Text <strong>\u201cLoti\u201d<\/strong> to <strong>833-962-6682<\/strong> to join the Loti Labs VIP Group!<\/span><\/div>\n<div class=\"coa-nav-shell\">\n<div class=\"coa-nav\"><a class=\"coa-logo\" href=\"https:\/\/lotilabs.com\/\" aria-label=\"Loti Labs home\"><img decoding=\"async\" src=\"https:\/\/lotilabs.com\/wp-content\/uploads\/2026\/09\/lotilabs-logo.png\" alt=\"Loti Labs\"><\/a><\/p>\n<nav aria-label=\"Loti Labs main navigation\"><a href=\"https:\/\/lotilabs.com\/\" class=\"\">Home<\/a><a href=\"https:\/\/lotilabs.com\/research-liquids\/\" class=\"\">Liquids<\/a><a href=\"https:\/\/lotilabs.com\/peptides\/\" class=\"\">Peptides<\/a><a href=\"https:\/\/lotilabs.com\/capsules\/\" class=\"\">Capsules<\/a><a href=\"https:\/\/lotilabs.com\/catalog\/\" class=\"\">All<\/a><a href=\"https:\/\/lotilabs.com\/faq\/\" class=\"\">FAQs<\/a><a href=\"https:\/\/lotilabs.com\/resources\/coa-archive\/\" class=\"active\">COAs<\/a><a href=\"https:\/\/lotilabs.com\/contact-us\/\" class=\"\">Contact<\/a><a href=\"https:\/\/lotilabs.com\/track-order\/\" class=\"\">Track<\/a><\/nav>\n<div class=\"coa-nav-actions\"><a href=\"https:\/\/lotilabs.com\/my-account\/\" aria-label=\"My account\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><circle cx=\"12\" cy=\"8\" r=\"4\"\/><path d=\"M4 21a8 8 0 0 1 16 0\"\/><\/svg><\/a><a href=\"https:\/\/lotilabs.com\/cart\/\" aria-label=\"Shopping cart\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M6 7h12l-1 14H7L6 7Z\"\/><path d=\"M9 7a3 3 0 0 1 6 0\"\/><\/svg><\/a><\/div>\n<\/div>\n<\/div>\n<div class=\"coa-category-nav\"><a href=\"https:\/\/lotilabs.com\/peptides\/\">Peptides<\/a><a href=\"https:\/\/lotilabs.com\/capsules\/\">Capsules<\/a><a href=\"https:\/\/lotilabs.com\/research-liquids\/\">Liquids<\/a><\/div>\n<\/header>\n<p><main class=\"cmp-main\"><\/p>\n<div class=\"coa-shell\">\n<nav class=\"cmp-crumbs\" aria-label=\"Breadcrumb\"><a href=\"https:\/\/lotilabs.com\/\">Home<\/a><span>\u203a<\/span><a href=\"https:\/\/lotilabs.com\/resources\/compounds\/\">Compound library<\/a><span>\u203a<\/span><span>MK-2866<\/span><\/nav>\n<header class=\"cmp-head\"><span class=\"coa-label\">Research compound reference<\/span><\/p>\n<h1>MK-2866<\/h1>\n<p class=\"cmp-lead\">Non-steroidal research compound supplied by Loti Labs as a research liquid and capsules for laboratory research. Specifications, the current certificate of analysis and the full batch history, all on one page.<\/p>\n<\/header>\n<div class=\"cmp-grid\">\n<div class=\"cmp-card cmp-img\"><img decoding=\"async\" src=\"https:\/\/lotilabs.com\/wp-content\/uploads\/2026\/10\/MK-2866-33mg-ml-30ml-loti-labs-card.webp\" alt=\"MK-2866 33mg\/ml (30ml), Loti Labs\" loading=\"eager\"><small>MK-2866 33mg\/ml (30ml). For laboratory, analytical and research use only.<\/small><\/div>\n<div class=\"cmp-card\">\n<h2>Compound specifications<\/h2>\n<table class=\"cmp-spec\">\n<tr>\n<td>Compound<\/td>\n<td>Enobosarm (MK-2866)<\/td>\n<\/tr>\n<tr>\n<td>Class<\/td>\n<td>Non-steroidal research compound<\/td>\n<\/tr>\n<tr>\n<td>Molecular formula<\/td>\n<td>C<sub>19<\/sub>H<sub>14<\/sub>F<sub>3<\/sub>N<sub>3<\/sub>O<sub>3<\/sub><\/td>\n<\/tr>\n<tr>\n<td>Molecular weight<\/td>\n<td>389.3 g\/mol<\/td>\n<\/tr>\n<tr>\n<td>CAS number<\/td>\n<td>841205-47-8<\/td>\n<\/tr>\n<tr>\n<td>Form<\/td>\n<td>Research liquid, 30 mL bottle \u00b7 Capsules, 30 count<\/td>\n<\/tr>\n<tr>\n<td>Formats<\/td>\n<td><a href=\"https:\/\/lotilabs.com\/product\/mk-2866\/\">33 mg\/mL liquid, 30 mL<\/a> \u00b7 <a href=\"https:\/\/lotilabs.com\/product\/mk-2866-capsules\/\">12.5 mg per capsule, 30 capsules<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n<\/div>\n<section class=\"cmp-sec\">\n<h2>Latest certificates of analysis<\/h2>\n<div class=\"cmp-cur\">\n<div class=\"cmp-card\"><span class=\"cmp-pill\">Current batch<\/span><\/p>\n<p class=\"cmp-fmt\">33 mg\/mL liquid, 30 mL<\/p>\n<div class=\"cmp-stats\">\n<div><b>99.48%<\/b><span>Purity, HPLC<\/span><\/div>\n<div><b>Conforms<\/b><span>Identity, mass spec<\/span><\/div>\n<div><b>Mar 21, 2026<\/b><span>Test date<\/span><\/div>\n<\/div>\n<p class=\"cmp-meta\"><strong>Batch<\/strong> LLMK28326<br \/><strong>Laboratory<\/strong> SR Bio Labs, independent third party<\/p>\n<div class=\"cmp-btns\"><a class=\"coa-btn coa-btn-primary\" href=\"https:\/\/lotilabs.com\/resources\/coa-archive\/mk-2866-llmk28326\/\">View certificate<\/a><a class=\"coa-btn coa-btn-outline\" href=\"https:\/\/srbiolabs.com\/coas\/LOT-MK28-00004.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Laboratory record<\/a><\/div>\n<\/div>\n<div class=\"cmp-card\"><span class=\"cmp-pill\">Current batch<\/span><\/p>\n<p class=\"cmp-fmt\">12.5 mg per capsule, 30 capsules<\/p>\n<div class=\"cmp-stats\">\n<div><b>96.70%<\/b><span>Purity, HPLC<\/span><\/div>\n<div><b>Aug 5, 2025<\/b><span>Test date<\/span><\/div>\n<\/div>\n<p class=\"cmp-meta\"><strong>Batch<\/strong> LOT-MK67-00002<br \/><strong>Laboratory<\/strong> SR Bio Labs, independent third party<\/p>\n<div class=\"cmp-btns\"><a class=\"coa-btn coa-btn-primary\" href=\"https:\/\/lotilabs.com\/resources\/coa-archive\/mk-2866-capsules-lot-mk67-00002\/\">View certificate<\/a><a class=\"coa-btn coa-btn-outline\" href=\"https:\/\/srbiolabs.com\/coas\/LOT-MK67-00002.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Laboratory record<\/a><\/div>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"cmp-sec\">\n<h2>Batch history<\/h2>\n<div class=\"cmp-tw\">\n<table class=\"cmp-hist\">\n<thead>\n<tr>\n<th>Test date<\/th>\n<th>Format<\/th>\n<th>Batch<\/th>\n<th>Purity<\/th>\n<th>Identity<\/th>\n<th>Laboratory<\/th>\n<th><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Mar 21, 2026<\/td>\n<td>33 mg\/mL liquid, 30 mL<\/td>\n<td>LLMK28326<\/td>\n<td>99.48%<\/td>\n<td>Conforms<\/td>\n<td>SR Bio Labs<\/td>\n<td><a href=\"https:\/\/lotilabs.com\/resources\/coa-archive\/mk-2866-llmk28326\/\">Certificate<\/a><\/td>\n<\/tr>\n<tr>\n<td>Aug 5, 2025<\/td>\n<td>12.5 mg per capsule, 30 capsules<\/td>\n<td>LOT-MK67-00002<\/td>\n<td>96.70%<\/td>\n<td><\/td>\n<td>SR Bio Labs<\/td>\n<td><a href=\"https:\/\/lotilabs.com\/resources\/coa-archive\/mk-2866-capsules-lot-mk67-00002\/\">Certificate<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<section class=\"cmp-sec\">\n<h2>How every batch is tested<\/h2>\n<p class=\"cmp-p\">Every Loti Labs batch is tested by an independent, U.S.-based third-party laboratory. Purity is measured by HPLC and identity is confirmed by mass spectrometry. Where a certificate includes an endotoxin screen, the result is shown above. Each certificate is archived permanently under its batch number, so earlier batches stay on record after a new one arrives. <a href=\"https:\/\/lotilabs.com\/resources\/coa-archive\/\">Search the complete COA archive<\/a>.<\/p>\n<\/section>\n<section class=\"cmp-sec cmp-faq\">\n<h2>Questions researchers ask<\/h2>\n<details open>\n<summary>What purity is the current MK-2866 batch?<\/summary>\n<p>33 mg\/mL liquid, 30 mL: batch LLMK28326 tested at 99.48% purity by HPLC on Mar 21, 2026, identity confirmed by mass spectrometry. 12.5 mg per capsule, 30 capsules: batch LOT-MK67-00002 tested at 96.70% purity by HPLC on Aug 5, 2025.<\/p>\n<\/details>\n<details>\n<summary>What is the molecular formula and weight of MK-2866?<\/summary>\n<p>MK-2866 has molecular formula C19H14F3N3O3 and a molecular weight of 389.3 g\/mol, CAS 841205-47-8.<\/p>\n<\/details>\n<details>\n<summary>How do I find the certificate for my bottle?<\/summary>\n<p>Match the lot number printed on the bottle label to the batch column in the history table, or search it in the Loti Labs COA archive. Every certificate is kept permanently under its batch number.<\/p>\n<\/details>\n<details>\n<summary>What is MK-2866 from Loti Labs intended for?<\/summary>\n<p>Loti Labs supplies MK-2866 strictly for laboratory, analytical and research use. It is not for human or veterinary use, and it is not a drug, food or cosmetic.<\/p>\n<\/details>\n<\/section>\n<section class=\"cmp-cta\">\n<div>\n<h2>Available to registered researchers<\/h2>\n<p>Ordering opens after you sign in or create a free research account.<\/p>\n<\/div>\n<p><a href=\"https:\/\/lotilabs.com\/product\/mk-2866\/\">Sign in to view MK-2866<\/a><\/section>\n<p class=\"cmp-ruo\">RESEARCH USE ONLY. This page is provided for laboratory, analytical and research reference. Products are not drugs, foods or cosmetics and are not for human or veterinary use.<\/p>\n<\/div>\n<p><\/main><\/p>\n<footer class=\"coa-footer\">\n<div class=\"coa-shell coa-footer-main\">\n<div class=\"coa-footer-about\"><img decoding=\"async\" src=\"https:\/\/lotilabs.com\/wp-content\/uploads\/2026\/01\/logo-color.svg\" alt=\"Loti Labs\"><\/p>\n<p>Loti Labs is the culmination of over a decade of industry experience, bringing researchers a boutique store built around personalized service, purity, and transparency.<\/p>\n<\/div>\n<div>\n<h3>Customer Care<\/h3>\n<p><a href=\"https:\/\/lotilabs.com\/contact-us\/\">Contact<\/a><a href=\"https:\/\/lotilabs.com\/my-account\/\">My Account<\/a><a href=\"https:\/\/lotilabs.com\/track-order\/\">Track your order<\/a><a href=\"https:\/\/lotilabs.com\/faq\/\">FAQs<\/a><\/div>\n<div>\n<h3>Resources<\/h3>\n<p><a href=\"https:\/\/lotilabs.com\/resources\/\">Blog<\/a><a href=\"https:\/\/lotilabs.com\/resources\/coa-archive\/\">COA Archive<\/a><a href=\"https:\/\/lotilabs.com\/about-us\/\">About Us<\/a><a href=\"https:\/\/lotilabs.com\/privacy-policy\/\">Privacy Policy<\/a><\/div>\n<div>\n<h3>Our Email<\/h3>\n<p><a href=\"mailto:service@lotilabs.com\">service@lotilabs.com<\/a><\/p>\n<p class=\"coa-tagline\">Peptide Purity.<br \/>Science Delivered.<\/p>\n<\/div>\n<\/div>\n<div class=\"coa-shell coa-footer-bottom\"><span>\u00a9 2026 LotiLabs. All Rights Reserved.<\/span><span>For laboratory, analytical, and research use only.<\/span><\/div>\n<div class=\"coa-ruo\">All products and documentation on this site are intended strictly for research and development use only and are not for human consumption.<\/div>\n<\/footer>\n<\/div>\n<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lotilabs.com\/resources\/compounds\/mk-2866\/#webpage\",\"url\":\"https:\/\/lotilabs.com\/resources\/compounds\/mk-2866\/\",\"name\":\"MK-2866 research compound reference | Loti Labs\",\"description\":\"Non-steroidal research compound supplied by Loti Labs as a research liquid and capsules for laboratory research. 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For laboratory research use only.<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":3351,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3399","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/lotilabs.com\/resources\/wp-json\/wp\/v2\/pages\/3399","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lotilabs.com\/resources\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/lotilabs.com\/resources\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/lotilabs.com\/resources\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lotilabs.com\/resources\/wp-json\/wp\/v2\/comments?post=3399"}],"version-history":[{"count":1,"href":"https:\/\/lotilabs.com\/resources\/wp-json\/wp\/v2\/pages\/3399\/revisions"}],"predecessor-version":[{"id":3467,"href":"https:\/\/lotilabs.com\/resources\/wp-json\/wp\/v2\/pages\/3399\/revisions\/3467"}],"up":[{"embeddable":true,"href":"https:\/\/lotilabs.com\/resources\/wp-json\/wp\/v2\/pages\/3351"}],"wp:attachment":[{"href":"https:\/\/lotilabs.com\/resources\/wp-json\/wp\/v2\/media?parent=3399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}