{"id":10546,"date":"2026-03-05T03:13:31","date_gmt":"2026-03-05T03:13:31","guid":{"rendered":"https:\/\/longchangextracts.com\/acetanilide-cas-103-84-4-comprehensive-guide\/"},"modified":"2026-08-03T20:23:56","modified_gmt":"2026-08-03T20:23:56","slug":"acetanilide-cas-103-84-4-comprehensive-guide","status":"publish","type":"post","link":"https:\/\/longchangextracts.com\/da\/acetanilide-cas-103-84-4-comprehensive-guide\/","title":{"rendered":"Acetanilide CAS 103-84-4: Formula, Molecular Weight and Sourcing"},"content":{"rendered":"<article class=\"lc-chemical-guide lc-acetanilide-guide\">\n<header>\n<p class=\"lc-eyebrow\">Chemical identity and sourcing guide<\/p>\n<h1>Acetanilide CAS 103-84-4: Formula, Molecular Weight and Sourcing<\/h1>\n<p><strong>Acetanilide is N-phenylacetamide, CAS 103-84-4, with molecular formula C8H9NO and molecular weight 135.16 g\/mol.<\/strong> Longchang can review a sourcing request against the intended process and destination market, but the current specification, test methods, applicable COA, SDS, packaging and availability must be confirmed before procurement.<\/p>\n<\/header>\n<section>\n<h2>Acetanilide identity at a glance<\/h2>\n<div class=\"lc-table-scroll\" style=\"overflow-x:auto;max-width:100%;\">\n<table style=\"min-width:680px;width:100%;\">\n<thead>\n<tr>\n<th>Identity field<\/th>\n<th>V\u00e6rdi<\/th>\n<th>Source or status<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Navn<\/td>\n<td>Acetanilide<\/td>\n<td>PubChem CID 904<\/td>\n<\/tr>\n<tr>\n<td>CAS Registry Number<\/td>\n<td>103-84-4<\/td>\n<td>Use this number on the RFQ<\/td>\n<\/tr>\n<tr>\n<td>IUPAC name<\/td>\n<td>N-phenylacetamide<\/td>\n<td>PubChem CID 904<\/td>\n<\/tr>\n<tr>\n<td>Molekyl\u00e6r formel<\/td>\n<td>C8H9NO<\/td>\n<td>PubChem CID 904<\/td>\n<\/tr>\n<tr>\n<td>Molekylv\u00e6gt<\/td>\n<td>135.16 g\/mol<\/td>\n<td>PubChem CID 904<\/td>\n<\/tr>\n<tr>\n<td>InChIKey<\/td>\n<td>FZERHIULMFGESH-UHFFFAOYSA-N<\/td>\n<td>PubChem CID 904<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>Identity source: <a href=\"https:\/\/pubchem.ncbi.nlm.nih.gov\/compound\/904\" rel=\"noopener noreferrer\">PubChem: Acetanilide, CID 904<\/a>.<\/p>\n<\/section>\n<section>\n<h2>What buyers should verify beyond the CAS number<\/h2>\n<p>A matching name and CAS number do not establish grade or application suitability. A useful inquiry should state the intended reaction or process, required assay basis, impurity limits, analytical methods, destination market and packaging constraints. Longchang should respond with the current document set and quotation that apply to that exact request.<\/p>\n<ul>\n<li>Confirm whether the assay is reported as-is or on another defined basis.<\/li>\n<li>Define named impurities, reporting thresholds and analytical methods.<\/li>\n<li>Request the current supplier specification and an applicable lot COA.<\/li>\n<li>Request the current SDS for handling, storage and transport review.<\/li>\n<li>Confirm packaging material, net weight, MOQ, lead time and destination requirements.<\/li>\n<\/ul>\n<\/section>\n<section>\n<h2>How the legacy Longchang fields should be read<\/h2>\n<p>The existing product record lists 99% purity, grey or white powder or flakes, several physical-property values and 25 kg\/bag packaging. These are historical source-record fields, not a current specification or lot guarantee. They remain useful as questions for the RFQ, but they require a current method, unit, specification, applicable COA and packaging definition before use.<\/p>\n<\/section>\n<section>\n<h2>Application and grade boundary<\/h2>\n<p>Legacy site copy describes Acetanilide as a chemical intermediate in several synthesis and industrial contexts. The page does not certify suitability for a pharmaceutical, API, food, research or other regulated grade. Buyers must define the intended process and independently evaluate technical, regulatory and safety suitability in the destination market.<\/p>\n<\/section>\n<section>\n<h2>Safety and regulatory review<\/h2>\n<p>This page is for business-to-business raw-material identification and sourcing. It is not patient guidance, a finished-drug monograph or a substitute for the current supplier SDS. Handling controls, storage, transport classification, exposure limits and disposal requirements must be assessed from the applicable SDS and local rules by qualified personnel.<\/p>\n<\/section>\n<section>\n<h2>Request current Acetanilide information<\/h2>\n<p>For current specifications, applicable COA\/SDS status, packaging and availability, email <a href=\"mailto:info@longchangchemical.com\">info@longchangchemical.com<\/a> and include CAS 103-84-4, the intended process, required assay\/impurity limits, quantity and destination market.<\/p>\n<p><a href=\"https:\/\/longchangextracts.com\/da\/product\/acetanilide-cas-103-84-4\/\" data-lc-bridge-link=\"product\" data-lc-product-name=\"Acetanilide\" data-lc-product-cas=\"103-84-4\">Review the Acetanilide CAS 103-84-4 product sourcing page<\/a>.<\/p>\n<\/section>\n<section>\n<h2>Frequently asked sourcing questions<\/h2>\n<h3>What is the molecular formula of Acetanilide?<\/h3>\n<p>The molecular formula is C8H9NO. PubChem CID 904 reports a molecular weight of 135.16 g\/mol.<\/p>\n<h3>Does this page confirm 99% purity?<\/h3>\n<p>No. The old product record contains a 99% value, but a current supplier specification, method and applicable lot COA are required before treating it as a procurement requirement or supplied result.<\/p>\n<h3>Does Longchang confirm a pharmaceutical or other regulated grade?<\/h3>\n<p>No grade claim is made on this page. State the intended process and market in the RFQ so Longchang can confirm what specification and documents, if any, are currently supportable.<\/p>\n<h3>What should an RFQ include?<\/h3>\n<p>Include CAS 103-84-4, intended process, required assay\/impurity limits and methods, quantity, packaging constraints, destination market and required documents.<\/p>\n<\/section>\n<\/article>","protected":false},"excerpt":{"rendered":"<p>Chemical identity and sourcing guide Acetanilide CAS 103-84-4: Formula, Molecular Weight and Sourcing Acetanilide is N-phenylacetamide, CAS 103-84-4, with molecular formula C8H9NO and molecular weight 135.16 g\/mol. Longchang can review a sourcing request against the intended process and destination market, but the current specification, test methods, applicable COA, SDS, packaging and availability must be confirmed [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Acetanilide CAS 103-84-4: Formula, MW &amp; Sourcing<\/title>\n<meta name=\"description\" content=\"Verify Acetanilide CAS 103-84-4: PubChem CID 904, C8H9NO, 135.16 g\/mol, IUPAC name and sourcing checks.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangextracts.com\/da\/acetanilide-cas-103-84-4-comprehensive-guide\/\" 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