{"id":7284,"date":"2026-01-26T01:04:21","date_gmt":"2026-01-26T09:04:21","guid":{"rendered":"http:\/\/pandapeptides.com\/product\/igf-1-lr3\/"},"modified":"2026-04-12T23:19:42","modified_gmt":"2026-04-13T06:19:42","slug":"igf-1-lr3","status":"publish","type":"product","link":"https:\/\/pandapeptides.com\/es\/producto\/igf-1-lr3\/","title":{"rendered":"IGF-1 LR3"},"content":{"rendered":"<div style=\"background:#18181b;border-radius:10px;padding:20px 24px;margin-bottom:30px\">\n<p style=\"color:#a1a1aa;font-size:15px;line-height:1.7;margin:0\"><strong style=\"color:#fafafa\">IGF-1 LR3<\/strong> is an 83-amino acid synthetic peptide analog. CAS 946870-92-4. Molecular weight approximately 9111 Da. Supplied as a lyophilized powder, \u226598% purity by HPLC. <em style=\"color:#71717a;font-size:13px\">Research compound \u2014 for laboratory use only.<\/em><\/p>\n<\/div>\n<h2>IGF-1 LR3<\/h2>\n<p><strong>Synthetic Peptide Analog \u2014 For Research Use Only<\/strong><\/p>\n<h3>Product Details<\/h3>\n<ul>\n<li><strong>Compound:<\/strong> IGF-1 LR3<\/li>\n<li><strong>CAS:<\/strong> 946870-92-4<\/li>\n<li><strong>Molecular Weight:<\/strong> ~9111 Da<\/li>\n<li><strong>Sequence Length:<\/strong> 83 amino acids<\/li>\n<li><strong>Pureza:<\/strong> \u226598% (Janoshik verified, HPLC)<\/li>\n<li><strong>Form:<\/strong> Lyophilized powder<\/li>\n<p>mg<\/li>\n<li><strong>Storage:<\/strong> -20\u00b0C desiccated<\/li>\n<\/ul>\n<h3>Structural Characterization<\/h3>\n<p>IGF-1 LR3 is a single-chain 83-amino acid peptide featuring a 13-residue N-terminal extension and an Arg\u00b3 substitution relative to the native 70-residue IGF-1 sequence. The molecule contains three intramolecular disulfide bonds (Cys\u2013Cys linkages), which constrain the peptide into a compact tertiary fold characteristic of the insulin superfamily.<\/p>\n<ul>\n<li><strong>Peptide Class:<\/strong> Extended single-chain polypeptide<\/li>\n<li><strong>Disulfide Bonds:<\/strong> Three intramolecular Cys\u2013Cys bridges<\/li>\n<li><strong>Key Modification:<\/strong> Arg\u00b3 substitution + 13-residue N-terminal extension<\/li>\n<li><strong>Molecular Formula:<\/strong> C\u2084\u2080\u2080H\u2086\u2082\u2085N\u2081\u2081\u2081O\u2081\u2081\u2085S\u2089<\/li>\n<li><strong>Appearance:<\/strong> White to off-white lyophilized powder<\/li>\n<\/ul>\n<h3>Physicochemical Properties<\/h3>\n<ul>\n<li><strong>Solubility:<\/strong> Soluble in dilute acetic acid (0.1 M) and aqueous buffers at mildly acidic pH<\/li>\n<li><strong>Isoelectric Point:<\/strong> ~8.4 (basic character from Arg\/Lys content)<\/li>\n<li><strong>UV Absorption:<\/strong> Aromatic residue signal from Tyr and Phe chromophores at 275\u2013280 nm<\/li>\n<li><strong>Stability:<\/strong> Lyophilized form stable at -20\u00b0C<\/li>\n<li><strong>Analytical Methods:<\/strong> HPLC (purity), mass spectrometry (identity confirmation)<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>83-amino acid synthetic peptide analog \u00b7 \u226598% purity \u00b7 Janoshik verified \u00b7 Lyophilized powder<\/p>","protected":false},"featured_media":8066,"template":"","meta":[],"product_brand":[],"product_cat":[189],"product_tag":[],"class_list":{"0":"post-7284","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-growth-hormone-peptides","8":"first","9":"outofstock","10":"taxable","11":"shipping-taxable","12":"purchasable","13":"product-type-variable","14":"has-default-attributes"},"_links":{"self":[{"href":"https:\/\/pandapeptides.com\/es\/wp-json\/wp\/v2\/product\/7284","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pandapeptides.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pandapeptides.com\/es\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pandapeptides.com\/es\/wp-json\/wp\/v2\/media\/8066"}],"wp:attachment":[{"href":"https:\/\/pandapeptides.com\/es\/wp-json\/wp\/v2\/media?parent=7284"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/pandapeptides.com\/es\/wp-json\/wp\/v2\/product_brand?post=7284"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pandapeptides.com\/es\/wp-json\/wp\/v2\/product_cat?post=7284"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pandapeptides.com\/es\/wp-json\/wp\/v2\/product_tag?post=7284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}