{"id":4874,"date":"2025-03-21T10:12:51","date_gmt":"2025-03-21T02:12:51","guid":{"rendered":"https:\/\/collagensei.com\/?page_id=4874"},"modified":"2026-10-22T16:04:41","modified_gmt":"2026-10-22T08:04:41","slug":"%e0%b9%81%e0%b8%ad%e0%b8%a5-%e0%b8%8b%e0%b8%b5%e0%b8%aa%e0%b9%80%e0%b8%95%e0%b8%ad%e0%b8%b5%e0%b8%99%e0%b9%84%e0%b8%ae%e0%b9%82%e0%b8%94%e0%b8%a3%e0%b8%84%e0%b8%a5%e0%b8%ad%e0%b9%84%e0%b8%a3%e0%b8%94","status":"publish","type":"page","link":"https:\/\/collagensei.com\/th\/bulk-amino-acids-raw-material-supplier\/l-cysteine-hydrochloride\/","title":{"rendered":"\u0e41\u0e2d\u0e25-\u0e0b\u0e34\u0e2a\u0e40\u0e15\u0e2d\u0e35\u0e19 \u0e44\u0e2e\u0e42\u0e14\u0e23\u0e04\u0e25\u0e2d\u0e44\u0e23\u0e14\u0e4c"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"4874\" class=\"elementor elementor-4874\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-abde177 e-con-full e-flex e-con e-parent\" data-id=\"abde177\" 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26px}\r\n.gensei-cysteine-page .g-form-panel h3{margin:0 0 18px;color:var(--g-blue-dark);font-size:29px}\r\n.gensei-cysteine-page .g-form-panel input[type=\"text\"],.gensei-cysteine-page .g-form-panel input[type=\"email\"],.gensei-cysteine-page .g-form-panel input[type=\"tel\"],.gensei-cysteine-page .g-form-panel input[type=\"number\"],.gensei-cysteine-page .g-form-panel select,.gensei-cysteine-page .g-form-panel textarea{width:100%;min-height:44px;padding:11px 13px;border:1px solid #cbd9e2;border-radius:12px;background:#fbfcfd;color:var(--g-ink)}\r\n.gensei-cysteine-page .g-form-panel textarea{min-height:145px;resize:vertical}\r\n.gensei-cysteine-page .g-form-panel input[type=\"submit\"],.gensei-cysteine-page .g-form-panel button[type=\"submit\"]{width:100%;min-height:48px;padding:0 21px;border:0;border-radius:10px;background:var(--g-blue);color:#fff;font-family:inherit;font-size:inherit;font-style:normal;font-weight:800;line-height:1.2;cursor:pointer}\r\n.gensei-cysteine-page .g-form-panel input[type=\"submit\"]:hover,.gensei-cysteine-page .g-form-panel button[type=\"submit\"]:hover{background:var(--g-blue-dark);color:#fff}\r\n@media(max-width:980px){.gensei-cysteine-page .g-two-col,.gensei-cysteine-page .g-app-grid,.gensei-cysteine-page .g-doc-grid{grid-template-columns:1fr}.gensei-cysteine-page .g-coa-meta{grid-template-columns:1fr 1fr}.gensei-cysteine-page .g-hero-image{justify-self:center}}\r\n@media(max-width:640px){.gensei-cysteine-page .g-formula,.gensei-cysteine-page .g-coa-meta,.gensei-cysteine-page .g-inquiry-context{grid-template-columns:1fr}.gensei-cysteine-page .g-form-panel{padding:23px 18px 20px;border-radius:18px}}\r\n<\/style>\r\n<div class=\"gensei-cysteine-page\">\r\n\r\n  <section class=\"g-hero\">\r\n    <div class=\"g-wrap g-hero-grid\">\r\n\r\n      <div>\r\n        <p class=\"g-eyebrow\">Amino Acid Ingredient<\/p>\r\n\r\n        <h1>L-Cysteine Hydrochloride Powder<\/h1>\r\n\r\n        <p class=\"g-lead\">\r\n          L-Cysteine hydrochloride powder in anhydrous and monohydrate forms for food, nutrition and amino acid formulations. Review the material form and specification that match your application.\r\n        <\/p>\r\n\r\n        <div class=\"g-actions\">\r\n          <a class=\"g-btn\" href=\"#l-cysteine-inquiry\">\r\n            Request A Quote\r\n          <\/a>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"g-hero-image\">\r\n        <img\r\n          src=\"https:\/\/collagensei.com\/wp-content\/uploads\/2026\/09\/L-Cysteine-Hydrochloride.webp\"\r\n          alt=\"L-Cysteine Hydrochloride powder\"\r\n          loading=\"eager\"\r\n          decoding=\"async\"\r\n        \/>\r\n      <\/div>\r\n\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"g-section\">\r\n    <div class=\"g-wrap\">\r\n\r\n      <div class=\"g-section-head\">\r\n        <p class=\"g-kicker\">Product Forms<\/p>\r\n\r\n        <h2>Anhydrous or Monohydrate L-Cysteine Hydrochloride<\/h2>\r\n\r\n        <p>\r\n          L-Cysteine HCl is available in two distinct forms. Select the form specified for your formulation and review the corresponding specification and COA before ordering.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"g-two-col\">\r\n\r\n        <article class=\"g-info-card\">\r\n          <h3>L-Cysteine Hydrochloride Anhydrous<\/h3>\r\n\r\n          <p>\r\n            Anhydrous L-Cysteine HCl has CAS 52-89-1. The AJI92 specification and representative batch results shown below apply only to this form.\r\n          <\/p>\r\n\r\n          <div class=\"g-formula\">\r\n            <div class=\"g-formula-item\">\r\n              <span>CAS<\/span>\r\n              <strong>52-89-1<\/strong>\r\n            <\/div>\r\n\r\n            <div class=\"g-formula-item\">\r\n              <span>Formula<\/span>\r\n              <strong>C\u2083H\u2087NO\u2082S\u00b7HCl<\/strong>\r\n            <\/div>\r\n\r\n            <div class=\"g-formula-item\">\r\n              <span>Molecular Weight<\/span>\r\n              <strong>157.62 g\/mol<\/strong>\r\n            <\/div>\r\n          <\/div>\r\n        <\/article>\r\n\r\n        <article class=\"g-info-card\">\r\n          <h3>L-Cysteine Hydrochloride Monohydrate<\/h3>\r\n\r\n          <p>\r\n            L-Cysteine HCl monohydrate has CAS 7048-04-6 and includes one molecule of water in its chemical formula. Review the monohydrate specification and applicable COA separately.\r\n          <\/p>\r\n\r\n          <div class=\"g-formula\">\r\n            <div class=\"g-formula-item\">\r\n              <span>CAS<\/span>\r\n              <strong>7048-04-6<\/strong>\r\n            <\/div>\r\n\r\n            <div class=\"g-formula-item\">\r\n              <span>Formula<\/span>\r\n              <strong>C\u2083H\u2087NO\u2082S\u00b7HCl\u00b7H\u2082O<\/strong>\r\n            <\/div>\r\n\r\n            <div class=\"g-formula-item\">\r\n              <span>Molecular Weight<\/span>\r\n              <strong>175.63 g\/mol<\/strong>\r\n            <\/div>\r\n          <\/div>\r\n        <\/article>\r\n\r\n      <\/div>\r\n\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"g-section g-section-soft\" id=\"l-cysteine-specification\">\r\n    <div class=\"g-wrap\">\r\n\r\n      <div class=\"g-section-head\">\r\n        <p class=\"g-kicker\">Technical Specification<\/p>\r\n\r\n        <h2>Anhydrous L-Cysteine HCl Specification &amp; Batch Results<\/h2>\r\n\r\n        <p>\r\n          The following AJI92 specification and results apply to anhydrous L-Cysteine hydrochloride batch CP1320120201. Monohydrate specifications are not represented in this table.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"g-coa-meta\">\r\n\r\n        <div class=\"g-coa-meta-item\">\r\n          <span>Batch Number<\/span>\r\n          <strong>CP1320120201<\/strong>\r\n        <\/div>\r\n\r\n        <div class=\"g-coa-meta-item\">\r\n          <span>Quantity<\/span>\r\n          <strong>1,000 kg<\/strong>\r\n        <\/div>\r\n\r\n        <div class=\"g-coa-meta-item\">\r\n          <span>Manufacture Date<\/span>\r\n          <strong>Dec. 02, 2020<\/strong>\r\n        <\/div>\r\n\r\n        <div class=\"g-coa-meta-item\">\r\n          <span>Analysis Date<\/span>\r\n          <strong>Dec. 03, 2020<\/strong>\r\n        <\/div>\r\n\r\n      <\/div>\r\n\r\n      <div class=\"g-table-wrap\">\r\n\r\n        <table>\r\n\r\n          <thead>\r\n            <tr>\r\n              <th>Test Item<\/th>\r\n              <th>Test Standard<\/th>\r\n              <th>Test Result<\/th>\r\n            <\/tr>\r\n          <\/thead>\r\n\r\n          <tbody>\r\n\r\n            <tr>\r\n              <td>Appearance<\/td>\r\n              <td>White crystals or crystalline powder<\/td>\r\n              <td class=\"g-result\">Qualified<\/td>\r\n            <\/tr>\r\n\r\n            <tr>\r\n              <td>Specific rotation [\u03b1]\u00b2\u2070\u1d30<\/td>\r\n              <td>+5.6\u00b0 to +8.9\u00b0<\/td>\r\n              <td class=\"g-result\">+6.0\u00b0<\/td>\r\n            <\/tr>\r\n\r\n            <tr>\r\n              <td>State of solution (Transmittance)<\/td>\r\n              <td>Clear and colorless; not less than 98.0%<\/td>\r\n              <td class=\"g-result\">99.02%<\/td>\r\n            <\/tr>\r\n\r\n            <tr>\r\n              <td>Heavy metals (Pb)<\/td>\r\n              <td>Not more than 15 ppm<\/td>\r\n              <td class=\"g-result\">&lt;15 ppm<\/td>\r\n            <\/tr>\r\n\r\n            <tr>\r\n              <td>Residue on ignition<\/td>\r\n              <td>Not more than 0.1%<\/td>\r\n              <td class=\"g-result\">0.05%<\/td>\r\n            <\/tr>\r\n\r\n            <tr>\r\n              <td>Iron (Fe)<\/td>\r\n              <td>Not more than 15 ppm<\/td>\r\n              <td class=\"g-result\">&lt;15 ppm<\/td>\r\n            <\/tr>\r\n\r\n            <tr>\r\n              <td>Loss on drying<\/td>\r\n              <td>Not more than 1.0%<\/td>\r\n              <td class=\"g-result\">0.28%<\/td>\r\n            <\/tr>\r\n\r\n            <tr>\r\n              <td>Other amino acids<\/td>\r\n              <td>Chromatographically<\/td>\r\n              <td class=\"g-result\">Qualified<\/td>\r\n            <\/tr>\r\n\r\n            <tr>\r\n              <td>Arsenic (As\u2082O\u2083)<\/td>\r\n              <td>Not more than 1 ppm<\/td>\r\n              <td class=\"g-result\">&lt;1 ppm<\/td>\r\n            <\/tr>\r\n\r\n            <tr>\r\n              <td>Assay<\/td>\r\n              <td>98.0 to 102.0%<\/td>\r\n              <td class=\"g-result\">99.7%<\/td>\r\n            <\/tr>\r\n\r\n            <tr>\r\n              <td>pH<\/td>\r\n              <td>1.5 to 2.0<\/td>\r\n              <td class=\"g-result\">1.7<\/td>\r\n            <\/tr>\r\n\r\n          <\/tbody>\r\n\r\n        <\/table>\r\n\r\n      <\/div>\r\n\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"g-section\">\r\n    <div class=\"g-wrap\">\r\n\r\n      <div class=\"g-section-head\">\r\n        <p class=\"g-kicker\">Applications<\/p>\r\n\r\n        <h2>L-Cysteine Hydrochloride Applications<\/h2>\r\n\r\n        <p>\r\n          L-Cysteine hydrochloride is used across food, flavor, nutrition and amino acid formulations, with the material form and quality specification selected for the intended process.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"g-app-grid\">\r\n\r\n        <article class=\"g-app\">\r\n          <span class=\"g-app-num\">01<\/span>\r\n\r\n          <h3>Food &amp; Bakery<\/h3>\r\n\r\n          <p>\r\n            Used in food ingredient projects involving dough processing and flour treatment, subject to the specification required for the finished application.\r\n          <\/p>\r\n        <\/article>\r\n\r\n        <article class=\"g-app\">\r\n          <span class=\"g-app-num\">02<\/span>\r\n\r\n          <h3>Flavor Ingredients<\/h3>\r\n\r\n          <p>\r\n            Used as an ingredient in reaction-flavor and savory flavor formulations where L-Cysteine HCl is specified for the process.\r\n          <\/p>\r\n        <\/article>\r\n\r\n        <article class=\"g-app\">\r\n          <span class=\"g-app-num\">03<\/span>\r\n\r\n          <h3>Dietary Supplement Formulas<\/h3>\r\n\r\n          <p>\r\n            Suitable for capsule, tablet and nutrition powder formulations that specify L-Cysteine HCl as an amino acid ingredient.\r\n          <\/p>\r\n        <\/article>\r\n\r\n        <article class=\"g-app\">\r\n          <span class=\"g-app-num\">04<\/span>\r\n\r\n          <h3>Amino Acid Premixes<\/h3>\r\n\r\n          <p>\r\n            Applicable to multi-ingredient amino acid blends and nutrition premixes using the L-Cysteine HCl form defined by the formulation.\r\n          <\/p>\r\n        <\/article>\r\n\r\n      <\/div>\r\n\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"g-section g-section-soft\">\r\n    <div class=\"g-wrap\">\r\n\r\n      <div class=\"g-section-head\">\r\n        <p class=\"g-kicker\">Packaging &amp; Handling<\/p>\r\n\r\n        <h2>Bulk Packaging &amp; Storage<\/h2>\r\n\r\n        <p>\r\n          Bulk material is typically packed in 25 kg drums and should be protected from moisture during storage and handling.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"g-two-col\">\r\n\r\n        <article class=\"g-info-card\">\r\n          <h3>Packaging Options<\/h3>\r\n          <p>\r\n            Typical bulk packaging is 25 kg per drum. Confirm the pack configuration for the selected anhydrous or monohydrate material.\r\n          <\/p>\r\n          <ul class=\"g-list\">\r\n            <li>Confirm the material form and pack configuration on the quotation.<\/li>\r\n            <li>Keep batch identification with incoming material records.<\/li>\r\n          <\/ul>\r\n        <\/article>\r\n\r\n        <article class=\"g-info-card\">\r\n          <h3>Storage &amp; Handling<\/h3>\r\n          <p>\r\n            Keep the material tightly closed in a cool, dry place, protected from moisture,\r\n            heat and direct sunlight. Follow the handling instructions for the supplied material.\r\n          <\/p>\r\n          <ul class=\"g-list\">\r\n            <li>Keep opened packaging sealed between uses.<\/li>\r\n            <li>Protect the material from moisture, heat and direct sunlight.<\/li>\r\n          <\/ul>\r\n        <\/article>\r\n\r\n      <\/div>\r\n\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"g-section\">\r\n    <div class=\"g-wrap\">\r\n      <div class=\"g-section-head\">\r\n        <p class=\"g-kicker\">Commercial Supply<\/p>\r\n        <h2>Bulk L-Cysteine Hydrochloride Supply<\/h2>\r\n        <p>\r\n          Gensei supplies L cysteine hydrochloride for commercial ingredient requirements. The offered material can be reviewed by form, specification, batch documentation and packaging before order confirmation.\r\n        <\/p>\r\n      <\/div>\r\n      <div class=\"g-two-col\">\r\n        <article class=\"g-info-card\">\r\n          <h3>Material Qualification<\/h3>\r\n          <p>\r\n            Identify whether your formulation requires anhydrous or monohydrate L-Cysteine HCl, then review the applicable specification and batch COA for that form.\r\n          <\/p>\r\n        <\/article>\r\n        <article class=\"g-info-card\">\r\n          <h3>Order Requirements<\/h3>\r\n          <p>\r\n            Share the required quantity, destination and any project-specific quality requirements when requesting current pricing and supply information.\r\n          <\/p>\r\n        <\/article>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"g-section g-section-soft\">\r\n    <div class=\"g-wrap\">\r\n\r\n      <div class=\"g-section-head\">\r\n        <p class=\"g-kicker\">Documentation<\/p>\r\n\r\n        <h2>Quality &amp; Technical Documents<\/h2>\r\n\r\n        <p>\r\n          COA, product specification and safety data support material review for the selected L-Cysteine HCl form.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"g-doc-grid\">\r\n\r\n        <article class=\"g-doc\">\r\n          <h3>Certificate of Analysis<\/h3>\r\n\r\n          <p>\r\n            Request the COA for the offered batch, matched to the selected form.\r\n            Keep it with your incoming material and supplier approval records.\r\n          <\/p>\r\n        <\/article>\r\n\r\n        <article class=\"g-doc\">\r\n          <h3>Product Specification<\/h3>\r\n\r\n          <p>\r\n            Review the applicable specification against your customer requirements.\r\n            Send any additional test limits or assay-basis requirements for confirmation.\r\n          <\/p>\r\n        <\/article>\r\n\r\n        <article class=\"g-doc\">\r\n          <h3>Safety Data<\/h3>\r\n\r\n          <p>\r\n            Request the SDS for handling and warehousing guidance.\r\n            Identify any other declarations required for your destination or approval process.\r\n          <\/p>\r\n        <\/article>\r\n\r\n      <\/div>\r\n\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"g-inquiry-section\" id=\"l-cysteine-inquiry\">\r\n    <div class=\"g-wrap g-inquiry-grid\">\r\n      <div class=\"g-inquiry-copy\">\r\n        <div class=\"g-inquiry-pill\">START AN INQUIRY<\/div>\r\n        <h2>Request a Quote for L-Cysteine Hydrochloride<\/h2>\r\n        <p>\r\n          Tell us which L-Cysteine HCl form you need and the commercial requirements for your project.\r\n        <\/p>\r\n        <div class=\"g-inquiry-context\">\r\n          <div class=\"g-context-card\"><span>01<\/span><h3>Material Form<\/h3><p>Anhydrous or monohydrate L-Cysteine HCl.<\/p><\/div>\r\n          <div class=\"g-context-card\"><span>02<\/span><h3>Order Quantity<\/h3><p>Share the quantity required for evaluation or commercial supply.<\/p><\/div>\r\n          <div class=\"g-context-card\"><span>03<\/span><h3>Application<\/h3><p>Food, flavor, nutrition, premix or another formulation context.<\/p><\/div>\r\n          <div class=\"g-context-card\"><span>04<\/span><h3>Destination<\/h3><p>Include the receiving country or market and any documentation needs.<\/p><\/div>\r\n        <\/div>\r\n      <\/div>\r\n      <div class=\"g-form-panel\">\r\n        <h3>Send Your Inquiry<\/h3>\r\n        \n<div class=\"wpcf7 no-js\" id=\"wpcf7-f74-o1\" lang=\"zh-CN\" dir=\"ltr\" data-wpcf7-id=\"74\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/th\/wp-json\/wp\/v2\/pages\/4874#wpcf7-f74-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u7559\u8a00\u8868\u5355\" novalidate=\"novalidate\" data-status=\"init\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"74\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.7\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"zh_CN\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f74-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<div class=\"stay-touch\">\n\t<ul>\n\t\t<li>\n\t\t\t<p><label> Name: <span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span><\/label>\n\t\t\t<\/p>\n\t\t<\/li>\n\t\t<li>\n\t\t\t<p><label> Company Name: <span class=\"wpcf7-form-control-wrap\" data-name=\"your-company\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"your-company\" \/><\/span><\/label>\n\t\t\t<\/p>\n\t\t<\/li>\n\t\t<li>\n\t\t\t<p><label> Email: <span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"your-email\" \/><\/span><\/label>\n\t\t\t<\/p>\n\t\t<\/li>\n\t\t<li>\n\t\t\t<p><label> Tel: <span class=\"wpcf7-form-control-wrap\" data-name=\"your-tel\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" value=\"\" type=\"text\" name=\"your-tel\" \/><\/span><\/label>\n\t\t\t<\/p>\n\t\t<\/li>\n\t\t<li>\n\t\t\t<p><label> Message: <span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"10\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" name=\"your-message\"><\/textarea><\/span><\/label>\n\t\t\t<\/p>\n\t\t<\/li>\n\t\t<li style=\"text-align:center\">\n\t\t\t<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"SEND\" \/>\n\t\t\t<\/p>\n\t\t<\/li>\n\t<\/ul>\n<\/div><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<\/form>\n<\/div>\n\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Amino Acid Ingredient L-Cysteine Hydrochloride Powder L-Cysteine hydrochloride powder in anhydrous and monohydrate forms for food, nutrition and amino acid 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