{"product_id":"tb-500","title":"TB-500","description":"\u003cp\u003e\u003cstrong\u003eTB-500\u003c\/strong\u003e is a research-grade thymosin beta-4 research peptide available at For Peptides with \u003cstrong\u003e~99% HPLC purity\u003c\/strong\u003e, independent \u003cstrong\u003e3rd-party lab testing\u003c\/strong\u003e, and \u003cstrong\u003e\u0026gt;90% fill volume\u003c\/strong\u003e. Every vial ships from our USA facility and is intended strictly for \u003cem\u003ein vitro\u003c\/em\u003e laboratory research — not for human or veterinary use. Explore other recovery research peptides in our \u003ca href=\"\/collections\/for-recovery-research\"\u003erecovery research\u003c\/a\u003e collection.\u003c\/p\u003e\u003cp\u003eTB-500 is a synthetic version of an active N-terminal fragment of Thymosin Beta-4 (Tβ4), a 43-amino-acid peptide that is the major actin-sequestering protein in mammalian cells. In research models, TB-500 has been studied for roles in actin polymerization, cell migration, and angiogenesis, particularly in tissue-repair contexts.\u003c\/p\u003e\u003cp\u003eTB-500 is investigated in cell-migration studies, wound-repair models, cardiac remodeling research, and studies of actin sequestration dynamics.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSequence Region:\u003c\/strong\u003e N-terminal active fragment of Thymosin β4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMolecular Weight:\u003c\/strong\u003e ~889 g\/mol (fragment)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCAS Number:\u003c\/strong\u003e 77591-33-4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAppearance:\u003c\/strong\u003e White lyophilized powder\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmount per Vial:\u003c\/strong\u003e 5 mg\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHandling \u0026amp; Storage\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLyophilized powder:\u003c\/strong\u003e Store at -20°C for long-term stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAfter reconstitution:\u003c\/strong\u003e Store at 2-8°C and use within 30 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReconstitution:\u003c\/strong\u003e Use bacteriostatic water or sterile water for injection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvoid:\u003c\/strong\u003e Repeated freeze-thaw cycles and direct light exposure.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eQuality \u0026amp; Testing\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurity:\u003c\/strong\u003e ~99% by HPLC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTesting:\u003c\/strong\u003e Third-party independent laboratory analysis\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFill Volume:\u003c\/strong\u003e \u0026gt;90% guaranteed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping:\u003c\/strong\u003e Cold-chain compatible, ships from USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the difference between TB-500 and Thymosin Beta-4?\u003c\/strong\u003e\u003cbr\u003eTB-500 is a shorter synthetic fragment corresponding to the active N-terminal region of full-length Thymosin β4.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePurity?\u003c\/strong\u003e\u003cbr\u003e~99% HPLC, third-party verified.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eStorage?\u003c\/strong\u003e\u003cbr\u003e-20°C lyophilized.\u003c\/p\u003e\u003ch3\u003eWhy Researchers Choose For Peptides TB-500\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e~99% HPLC purity\u003c\/strong\u003e verified via high-performance liquid chromatography on every batch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent 3rd-party lab testing\u003c\/strong\u003e with Certificate of Analysis (COA) available on request\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u0026gt;90% fill volume\u003c\/strong\u003e guarantee — you get the peptide mass you paid for\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips from USA\u003c\/strong\u003e — fast domestic fulfillment, no international customs delays\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReal scientific support\u003c\/strong\u003e — questions answered by researchers, not a call center\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBrowse related research peptides in our \u003ca href=\"\/collections\/for-recovery-research\"\u003erecovery research\u003c\/a\u003e collection, or view all our \u003ca href=\"\/collections\/best-sellers\"\u003ebest-selling research peptides\u003c\/a\u003e. For questions about TB-500 purity, COAs, or bulk research orders, \u003ca href=\"tel:+18773367737\"\u003ecall 1-877-336-7737\u003c\/a\u003e or start a live chat.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eRelated research terms: TB-500, thymosin beta-4, tissue repair research peptide, TB-500 HPLC purity, TB-500 COA, buy TB-500 research peptide USA, TB-500 lab tested.\u003c\/em\u003e\u003c\/p\u003e\n\u003cdiv class=\"forpep-faq\" itemscope itemtype=\"https:\/\/schema.org\/FAQPage\"\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003c\/div\u003e\n\u003cdiv class=\"forpep-related\"\u003e\n\u003ch4\u003eRelated Research Peptides\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bpc-157\"\u003eBPC 157\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bpc-157-tb-500-blend\"\u003eBPC 157\/TB 500\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ghk-cu\"\u003eGHK-Cu\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cp\u003e\u003cstrong\u003eFree Shipping on Orders Over $250\u003c\/strong\u003e\u003c\/p\u003e","brand":"ForPeptides","offers":[{"title":"Default Title","offer_id":47910420775157,"sku":"TB50010","price":60.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/2611\/7109\/files\/4.png?v=1775058282","url":"https:\/\/forpeptides.com\/products\/tb-500","provider":"For Peptides","version":"1.0","type":"link"}