{"id":189,"date":"2025-03-07T12:05:15","date_gmt":"2025-03-07T12:05:15","guid":{"rendered":"https:\/\/vivalr.com\/product\/189.html"},"modified":"2025-03-07T12:21:38","modified_gmt":"2025-03-07T12:21:38","slug":"factory-supply-3r4s-3-2-bromoacetyl-4-ethyl-1-pyrrolidinecarboxylic-acid-phenylmethyl-ester-cas-1428243-26-8-with-best-price","status":"publish","type":"product","link":"https:\/\/vivalr.com\/pt\/product\/189.html","title":{"rendered":"Fornecimento de f\u00e1brica (3R,4S)-3-(2-Bromoacetil)-4-etil-1-pirrolidinacarbox\u00edlico \u00e1cido fenilmetil \u00e9ster CAS 1428243-26-8 com melhor pre\u00e7o"},"content":{"rendered":"<div class=\"product-guide\">\n<h1>(3R,4S)-3-(2-Bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylic acid phenylmethyl ester CAS 1428243-26-8<\/h1>\n<p>        <!-- Table of Contents --><\/p>\n<div class=\"toc\">\n<h2>\u00cdndice<\/h2>\n<ul>\n<li><a href=\"#section1\">1. Vis\u00e3o geral do produto<\/a><\/li>\n<li><a href=\"#section2\">2. Aplica\u00e7\u00f5es<\/a><\/li>\n<li><a href=\"#section3\">3. Instru\u00e7\u00f5es de utiliza\u00e7\u00e3o<\/a><\/li>\n<li><a href=\"#section4\">4. Casos de uso<\/a><\/li>\n<li><a href=\"#section5\">5. Contactar-nos<\/a><\/li>\n<\/ul><\/div>\n<p>        <!-- Product Overview --><\/p>\n<div id=\"section1\" class=\"section\">\n<h2>1. Vis\u00e3o geral do produto<\/h2>\n<p><strong>Nome do produto:<\/strong> (3R,4S)-3-(2-Bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylic acid phenylmethyl ester<\/p>\n<p><strong>N\u00famero CAS:<\/strong> 1428243-26-8<\/p>\n<p><strong>F\u00f3rmula molecular:<\/strong> C\u2081\u2087H\u2082\u2080BrNO\u2084<\/p>\n<p><strong>Peso molecular:<\/strong> 374.25 g\/mol<\/p>\n<p><strong>Apar\u00eancia:<\/strong> P\u00f3 cristalino branco a esbranqui\u00e7ado<\/p>\n<p><strong>Pureza:<\/strong> \u226598% (HPLC)<\/p>\n<p><strong>Armazenamento:<\/strong> Store at 2-8\u00b0C in a dry, airtight container. Protect from light.<\/p>\n<\/p><\/div>\n<p>        <!-- Applications --><\/p>\n<div id=\"section2\" class=\"section\">\n<h2>2. Aplica\u00e7\u00f5es<\/h2>\n<p>This compound is a high-purity chemical intermediate widely used in:<\/p>\n<ul>\n<li><strong>S\u00edntese farmac\u00eautica:<\/strong> Key intermediate in the production of active pharmaceutical ingredients (APIs), particularly for kinase inhibitors and antitumor agents.<\/li>\n<li><strong>Organic Chemistry Research:<\/strong> Used to introduce ethyl and bromoacetyl functional groups into complex molecules.<\/li>\n<li><strong>Estudos bioqu\u00edmicos:<\/strong> Serves as a precursor in the development of protease inhibitors and enzyme modulators.<\/li>\n<\/ul><\/div>\n<p>        <!-- Usage Instructions --><\/p>\n<div id=\"section3\" class=\"section\">\n<h2>3. Instru\u00e7\u00f5es de utiliza\u00e7\u00e3o<\/h2>\n<ul>\n<li>Handle in a well-ventilated fume hood with appropriate PPE (gloves, lab coat, goggles).<\/li>\n<li>Store under recommended conditions to prevent degradation.<\/li>\n<li>Solubility: Soluble in DMSO, methanol, and dichloromethane. Test solubility in target solvents before large-scale use.<\/li>\n<li>For synthetic reactions, use stoichiometric ratios as per published protocols. Typical dosage: 1-2 equivalents relative to the substrate.<\/li>\n<li>Refer to the Safety Data Sheet (SDS) for detailed handling and disposal guidelines.<\/li>\n<\/ul><\/div>\n<p>        <!-- Use Cases --><\/p>\n<div id=\"section4\" class=\"section\">\n<h2>4. Casos de uso<\/h2>\n<p><strong>Case Study 1: Synthesis of Kinase Inhibitors<\/strong><\/p>\n<p>In a 2023 study, this compound was used as a critical intermediate in a 5-step synthesis of a potent kinase inhibitor. Reaction with a pyridine derivative under basic conditions yielded a 78% conversion rate, demonstrating its efficacy in forming C-N bonds.<\/p>\n<p><strong>Case Study 2: Anticancer Drug Development<\/strong><\/p>\n<p>A research team utilized the bromoacetyl group to create a covalent-binding analog of a HSP90 inhibitor. The ethyl-pyrrolidine moiety enhanced cellular permeability, resulting in a 40% improvement in IC\u2085\u2080 values compared to previous analogs.<\/p>\n<\/p><\/div>\n<p>        <!-- Contact --><\/p>\n<div id=\"section5\" class=\"section\">\n<h2>5. Contactar-nos<\/h2>\n<p>For pricing, bulk orders, or technical inquiries:<\/p>\n<ul>\n<li>Correio eletr\u00f3nico: <a href=\"mailto:info@vivalr.com\">info@vivalr.com<\/a><\/li>\n<li>Tel: (86) 15866781826<\/li>\n<\/ul><\/div>\n<\/p><\/div>","protected":false},"excerpt":{"rendered":"<p>(3R,4S)-3-(2-Bromoacetil)-4-etil-1-pirrolidinacarbox\u00edlico \u00e1cido fenilmetil \u00e9ster CAS 1428243-26-8 \u00cdndice 1. Descri\u00e7\u00e3o geral do produto 2. Aplica\u00e7\u00f5es 3. Instru\u00e7\u00f5es de utiliza\u00e7\u00e3o 4. Casos de utiliza\u00e7\u00e3o 5. Contacte-nos 1. Descri\u00e7\u00e3o geral do produto Nome do produto: (3R,4S)-3-(2-Bromoacetil)-4-etil-1-pirrolidinacarbox\u00edlico \u00e1cido fenilmetil \u00e9ster CAS N\u00famero: 1428243-26-8 F\u00f3rmula Molecular: C\u2081\u2087H\u2082\u2080BrNO\u2084 Peso molecular: 374,25 g\/mol Aspeto: P\u00f3 cristalino branco a esbranqui\u00e7ado Pureza: \u226598% (HPLC) Armazenamento: Armazenar a 2-8\u00b0C [...]<\/p>","protected":false},"featured_media":21265,"comment_status":"closed","ping_status":"open","template":"","meta":[],"product_brand":[],"product_cat":[15],"product_tag":[],"class_list":{"0":"post-189","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-uncategorized","8":"first","9":"instock","10":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Factory Supply (3R,4S)-3-(2-Bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylic acid phenylmethyl ester CAS 1428243-26-8 With Best Price - Welcome to VIVALR- Your Trusted Source for Chemical Raw Materials\uff01<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/vivalr.com\/pt\/product\/189.html\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Factory Supply (3R,4S)-3-(2-Bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylic acid phenylmethyl ester CAS 1428243-26-8 With Best Price\" \/>\n<meta property=\"og:description\" content=\"(3R,4S)-3-(2-Bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylic acid phenylmethyl ester CAS 1428243-26-8 Table of Contents 1. 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Product Overview Product Name: (3R,4S)-3-(2-Bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylic acid phenylmethyl ester CAS Number: 1428243-26-8 Molecular Formula: C\u2081\u2087H\u2082\u2080BrNO\u2084 Molecular Weight: 374.25 g\/mol Appearance: White to off-white crystalline powder Purity: \u226598% (HPLC) Storage: Store at 2-8\u00b0C [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/vivalr.com\/pt\/product\/189.html\" \/>\n<meta property=\"og:site_name\" content=\"Welcome to VIVALR- Your Trusted Source for Chemical Raw Materials\uff01\" \/>\n<meta property=\"article:modified_time\" content=\"2025-03-07T12:21:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/vivalr.com\/wp-content\/uploads\/2025\/03\/3R4S-3-2-Bromoacetyl-4-ethyl-1-pyrrolidinecarboxylic-acid-phenylmethyl-ester-CAS-1428243-26-8.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"400\" \/>\n\t<meta property=\"og:image:height\" content=\"399\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/vivalr.com\\\/product\\\/189.html\",\"url\":\"https:\\\/\\\/vivalr.com\\\/product\\\/189.html\",\"name\":\"Factory Supply (3R,4S)-3-(2-Bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylic acid phenylmethyl ester CAS 1428243-26-8 With Best Price - Welcome to VIVALR- Your Trusted Source for Chemical Raw Materials\uff01\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/vivalr.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/vivalr.com\\\/product\\\/189.html#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/vivalr.com\\\/product\\\/189.html#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/vivalr.com\\\/wp-content\\\/uploads\\\/2025\\\/03\\\/3R4S-3-2-Bromoacetyl-4-ethyl-1-pyrrolidinecarboxylic-acid-phenylmethyl-ester-CAS-1428243-26-8.jpg\",\"datePublished\":\"2025-03-07T12:05:15+00:00\",\"dateModified\":\"2025-03-07T12:21:38+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/vivalr.com\\\/product\\\/189.html#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/vivalr.com\\\/product\\\/189.html\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@id\":\"https:\\\/\\\/vivalr.com\\\/product\\\/189.html#primaryimage\",\"url\":\"https:\\\/\\\/vivalr.com\\\/wp-content\\\/uploads\\\/2025\\\/03\\\/3R4S-3-2-Bromoacetyl-4-ethyl-1-pyrrolidinecarboxylic-acid-phenylmethyl-ester-CAS-1428243-26-8.jpg\",\"contentUrl\":\"https:\\\/\\\/vivalr.com\\\/wp-content\\\/uploads\\\/2025\\\/03\\\/3R4S-3-2-Bromoacetyl-4-ethyl-1-pyrrolidinecarboxylic-acid-phenylmethyl-ester-CAS-1428243-26-8.jpg\",\"width\":400,\"height\":399},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/vivalr.com\\\/product\\\/189.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/vivalr.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\\\/\\\/vivalr.com\\\/shop\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Factory Supply (3R,4S)-3-(2-Bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylic acid phenylmethyl ester CAS 1428243-26-8 With Best Price\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/vivalr.com\\\/#website\",\"url\":\"https:\\\/\\\/vivalr.com\\\/\",\"name\":\"Welcome to VIVALR- Your Trusted Source for Chemical Raw Materials\uff01\",\"description\":\"Discover a wide range of high-quality chemical raw materials to meet your industrial needs. 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Product Overview Product Name: (3R,4S)-3-(2-Bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylic acid phenylmethyl ester CAS Number: 1428243-26-8 Molecular Formula: C\u2081\u2087H\u2082\u2080BrNO\u2084 Molecular Weight: 374.25 g\/mol Appearance: White to off-white crystalline powder Purity: \u226598% (HPLC) Storage: Store at 2-8\u00b0C [&hellip;]","og_url":"https:\/\/vivalr.com\/pt\/product\/189.html","og_site_name":"Welcome to VIVALR- Your Trusted Source for Chemical Raw Materials\uff01","article_modified_time":"2025-03-07T12:21:38+00:00","og_image":[{"width":400,"height":399,"url":"https:\/\/vivalr.com\/wp-content\/uploads\/2025\/03\/3R4S-3-2-Bromoacetyl-4-ethyl-1-pyrrolidinecarboxylic-acid-phenylmethyl-ester-CAS-1428243-26-8.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Tempo estimado de leitura":"2 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/vivalr.com\/product\/189.html","url":"https:\/\/vivalr.com\/product\/189.html","name":"Factory Supply (3R,4S)-3-(2-Bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylic acid phenylmethyl ester CAS 1428243-26-8 With Best Price - Welcome to VIVALR- Your Trusted Source for Chemical Raw Materials\uff01","isPartOf":{"@id":"https:\/\/vivalr.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/vivalr.com\/product\/189.html#primaryimage"},"image":{"@id":"https:\/\/vivalr.com\/product\/189.html#primaryimage"},"thumbnailUrl":"https:\/\/vivalr.com\/wp-content\/uploads\/2025\/03\/3R4S-3-2-Bromoacetyl-4-ethyl-1-pyrrolidinecarboxylic-acid-phenylmethyl-ester-CAS-1428243-26-8.jpg","datePublished":"2025-03-07T12:05:15+00:00","dateModified":"2025-03-07T12:21:38+00:00","breadcrumb":{"@id":"https:\/\/vivalr.com\/product\/189.html#breadcrumb"},"inLanguage":"pt-PT","potentialAction":[{"@type":"ReadAction","target":["https:\/\/vivalr.com\/product\/189.html"]}]},{"@type":"ImageObject","inLanguage":"pt-PT","@id":"https:\/\/vivalr.com\/product\/189.html#primaryimage","url":"https:\/\/vivalr.com\/wp-content\/uploads\/2025\/03\/3R4S-3-2-Bromoacetyl-4-ethyl-1-pyrrolidinecarboxylic-acid-phenylmethyl-ester-CAS-1428243-26-8.jpg","contentUrl":"https:\/\/vivalr.com\/wp-content\/uploads\/2025\/03\/3R4S-3-2-Bromoacetyl-4-ethyl-1-pyrrolidinecarboxylic-acid-phenylmethyl-ester-CAS-1428243-26-8.jpg","width":400,"height":399},{"@type":"BreadcrumbList","@id":"https:\/\/vivalr.com\/product\/189.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/vivalr.com\/"},{"@type":"ListItem","position":2,"name":"Shop","item":"https:\/\/vivalr.com\/shop\/"},{"@type":"ListItem","position":3,"name":"Factory Supply (3R,4S)-3-(2-Bromoacetyl)-4-ethyl-1-pyrrolidinecarboxylic acid phenylmethyl ester CAS 1428243-26-8 With Best Price"}]},{"@type":"WebSite","@id":"https:\/\/vivalr.com\/#website","url":"https:\/\/vivalr.com\/","name":"Bem-vindo ao VIVALR- Sua fonte confi\u00e1vel de mat\u00e9rias-primas qu\u00edmicas\uff01","description":"Descubra uma vasta gama de mat\u00e9rias-primas qu\u00edmicas de alta qualidade para satisfazer as suas necessidades industriais. 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