{"id":4115,"date":"2021-07-27T03:18:39","date_gmt":"2021-07-27T03:18:39","guid":{"rendered":"https:\/\/longchangchemical.com\/?post_type=product&#038;p=4115"},"modified":"2026-05-08T02:59:39","modified_gmt":"2026-05-08T02:59:39","slug":"cas-149249-91-2","status":"publish","type":"product","link":"https:\/\/longchangchemical.com\/tr\/product\/cas-149249-91-2\/","title":{"rendered":"(3r,4s)-1-benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone CAS 149249-91-2"},"content":{"rendered":"<h2><strong>(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone<\/strong><\/h2>\n<table class=\"table-1\" cellspacing=\"0\">\n<tbody>\n<tr>\n<td>\n<h4>Items<\/h4>\n<\/td>\n<td>\n<h4>Result<\/h4>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<h4>Appearance<\/h4>\n<\/td>\n<td>\n<h4>Colorless or pale yellow oil; white powder<\/h4>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<h4>Identification(HPLC)<\/h4>\n<\/td>\n<td>\n<h4>The retention time of the majoy<\/h4>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<h4>Water<\/h4>\n<\/td>\n<td>\n<h4>Not more than 1.0%<\/h4>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<h4>Purity<\/h4>\n<\/td>\n<td>\n<h4>Not less than 95.0%<\/h4>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2><strong>(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone Usage<\/strong><\/h2>\n<h4>It is the best natural anti-cancer drug that has been discovered and has been widely used in the treatment of breast cancer, ovarian cancer and some head and neck cancers and lung cancer.<\/h4>\n<p>&nbsp;<\/p>\n<h2><strong>(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone Packaging and Shipping<\/strong><\/h2>\n<h4>Packing(oil): 10g\/bottle 100g\/bottle 500g\/bottle 1kg\/bottle<\/h4>\n<h4>Packing(powder):500g\/Bag 100g\/bag 50g\/bag<\/h4>\n<p>&nbsp;<\/p>\n<p><strong>(3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinoneStorage<\/strong><\/p>\n<h4>Oil: Stored in a cool dry and ventilated place away from sunlight and heat<\/h4>\n<h4>Powder: Keep in-15\u2103.<\/h4>\n<p>&nbsp;<\/p>\n<h2><strong><b>Contact Us Now!<\/b><\/strong><\/h2>\n<h4><strong><b>If you need COA, MSDS or TDS, please fill in your contact information in the form below, we will usually contact you within 24 hours. You could also email me <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"mailto:info@longchangchemical.com\">info@longchangchemical.com<\/a><\/span> during working hours ( 8:30 am to 6:00 pm UTC+8 Mon.~Sat. ) or use the website live chat to get prompt reply.<\/b><\/strong><\/h4>\n","protected":false},"excerpt":{"rendered":"<h4>Chemical Name: (3R,4S)-1-Benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone<\/h4>\n<h4>CAS No.: 149249-91-2<\/h4>\n<h4>Molecular Formula: C22H27NO3Si<\/h4>\n<h4>Molecular Weight: 381.54<\/h4>\n<h4>MolecularStructure:<img decoding=\"async\" title=\"PACLITAXEL SIDE CHAIN NO 2 Structure\" src=\"https:\/\/www.longchangchemical.com\/wp-content\/uploads\/product-details\/20200610249098.png\" alt=\"PACLITAXEL SIDE CHAIN NO 2 Structure\" width=\"117\" height=\"143\" border=\"0\" vspace=\"0\" \/><\/h4>\n<h4>Appearance: Colorless or pale yellow oil; white powder<\/h4>\n","protected":false},"featured_media":4739,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[113],"product_tag":[],"class_list":{"0":"post-4115","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-organic-intermediate","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>China (3r,4s)-1-benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone manufacturer - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"Longchang Chemical is a china Leading (3r,4s)-1-benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone manufacturer and supplier.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangchemical.com\/tr\/product\/cas-149249-91-2\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"China (3r,4s)-1-benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone manufacturer - Longchang Chemical\" \/>\n<meta property=\"og:description\" content=\"Longchang Chemical is a china Leading (3r,4s)-1-benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone manufacturer and supplier.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/longchangchemical.com\/tr\/product\/cas-149249-91-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Longchang Chemical\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-08T02:59:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/149249-91-2-appearance.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/longchangchemical.com\/product\/cas-149249-91-2\/\",\"url\":\"https:\/\/longchangchemical.com\/product\/cas-149249-91-2\/\",\"name\":\"China (3r,4s)-1-benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone manufacturer - Longchang Chemical\",\"isPartOf\":{\"@id\":\"https:\/\/longchangchemical.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/longchangchemical.com\/product\/cas-149249-91-2\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/longchangchemical.com\/product\/cas-149249-91-2\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/149249-91-2-appearance.jpg\",\"datePublished\":\"2021-07-27T03:18:39+00:00\",\"dateModified\":\"2026-05-08T02:59:39+00:00\",\"description\":\"Longchang Chemical is a china Leading (3r,4s)-1-benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone manufacturer and supplier.\",\"breadcrumb\":{\"@id\":\"https:\/\/longchangchemical.com\/product\/cas-149249-91-2\/#breadcrumb\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/longchangchemical.com\/product\/cas-149249-91-2\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"tr\",\"@id\":\"https:\/\/longchangchemical.com\/product\/cas-149249-91-2\/#primaryimage\",\"url\":\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/149249-91-2-appearance.jpg\",\"contentUrl\":\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/149249-91-2-appearance.jpg\",\"width\":600,\"height\":800},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/longchangchemical.com\/product\/cas-149249-91-2\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/longchangchemical.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Products Longchang\",\"item\":\"https:\/\/longchangchemical.com\/product\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"(3r,4s)-1-benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone CAS 149249-91-2\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/longchangchemical.com\/#website\",\"url\":\"https:\/\/longchangchemical.com\/\",\"name\":\"Longchang Chemical\",\"description\":\"China chemical manufacturer \uff06 supplier\",\"publisher\":{\"@id\":\"https:\/\/longchangchemical.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/longchangchemical.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"tr\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/longchangchemical.com\/#organization\",\"name\":\"Longchang Chemical\",\"url\":\"https:\/\/longchangchemical.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"tr\",\"@id\":\"https:\/\/longchangchemical.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/08\/cropped-longchang-logo.png\",\"contentUrl\":\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/08\/cropped-longchang-logo.png\",\"width\":512,\"height\":512,\"caption\":\"Longchang Chemical\"},\"image\":{\"@id\":\"https:\/\/longchangchemical.com\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"China (3r,4s)-1-benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone manufacturer - Longchang Chemical","description":"Longchang Chemical is a china Leading (3r,4s)-1-benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone manufacturer and supplier.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/longchangchemical.com\/tr\/product\/cas-149249-91-2\/","og_locale":"tr_TR","og_type":"article","og_title":"China (3r,4s)-1-benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone manufacturer - Longchang Chemical","og_description":"Longchang Chemical is a china Leading (3r,4s)-1-benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone manufacturer and supplier.","og_url":"https:\/\/longchangchemical.com\/tr\/product\/cas-149249-91-2\/","og_site_name":"Longchang Chemical","article_modified_time":"2026-05-08T02:59:39+00:00","og_image":[{"width":600,"height":800,"url":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/149249-91-2-appearance.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/longchangchemical.com\/product\/cas-149249-91-2\/","url":"https:\/\/longchangchemical.com\/product\/cas-149249-91-2\/","name":"China (3r,4s)-1-benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone manufacturer - Longchang Chemical","isPartOf":{"@id":"https:\/\/longchangchemical.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/longchangchemical.com\/product\/cas-149249-91-2\/#primaryimage"},"image":{"@id":"https:\/\/longchangchemical.com\/product\/cas-149249-91-2\/#primaryimage"},"thumbnailUrl":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/149249-91-2-appearance.jpg","datePublished":"2021-07-27T03:18:39+00:00","dateModified":"2026-05-08T02:59:39+00:00","description":"Longchang Chemical is a china Leading (3r,4s)-1-benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone manufacturer and supplier.","breadcrumb":{"@id":"https:\/\/longchangchemical.com\/product\/cas-149249-91-2\/#breadcrumb"},"inLanguage":"tr","potentialAction":[{"@type":"ReadAction","target":["https:\/\/longchangchemical.com\/product\/cas-149249-91-2\/"]}]},{"@type":"ImageObject","inLanguage":"tr","@id":"https:\/\/longchangchemical.com\/product\/cas-149249-91-2\/#primaryimage","url":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/149249-91-2-appearance.jpg","contentUrl":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2021\/01\/149249-91-2-appearance.jpg","width":600,"height":800},{"@type":"BreadcrumbList","@id":"https:\/\/longchangchemical.com\/product\/cas-149249-91-2\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/longchangchemical.com\/"},{"@type":"ListItem","position":2,"name":"Products Longchang","item":"https:\/\/longchangchemical.com\/product\/"},{"@type":"ListItem","position":3,"name":"(3r,4s)-1-benzoyl-4-phenyl-3-[(triethylsilyl)oxy]-2-azetidinone CAS 149249-91-2"}]},{"@type":"WebSite","@id":"https:\/\/longchangchemical.com\/#website","url":"https:\/\/longchangchemical.com\/","name":"Longchang Kimya","description":"\u00c7in kimyasal \u00fcreticisi \uff06 tedarik\u00e7isi","publisher":{"@id":"https:\/\/longchangchemical.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/longchangchemical.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"tr"},{"@type":"Organization","@id":"https:\/\/longchangchemical.com\/#organization","name":"Longchang Kimya","url":"https:\/\/longchangchemical.com\/","logo":{"@type":"ImageObject","inLanguage":"tr","@id":"https:\/\/longchangchemical.com\/#\/schema\/logo\/image\/","url":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/08\/cropped-longchang-logo.png","contentUrl":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/08\/cropped-longchang-logo.png","width":512,"height":512,"caption":"Longchang Chemical"},"image":{"@id":"https:\/\/longchangchemical.com\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/longchangchemical.com\/tr\/wp-json\/wp\/v2\/product\/4115","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/longchangchemical.com\/tr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/longchangchemical.com\/tr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/longchangchemical.com\/tr\/wp-json\/wp\/v2\/comments?post=4115"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/longchangchemical.com\/tr\/wp-json\/wp\/v2\/media\/4739"}],"wp:attachment":[{"href":"https:\/\/longchangchemical.com\/tr\/wp-json\/wp\/v2\/media?parent=4115"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/longchangchemical.com\/tr\/wp-json\/wp\/v2\/product_brand?post=4115"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/longchangchemical.com\/tr\/wp-json\/wp\/v2\/product_cat?post=4115"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/longchangchemical.com\/tr\/wp-json\/wp\/v2\/product_tag?post=4115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}