{"id":4848,"date":"2025-03-20T13:47:52","date_gmt":"2025-03-20T05:47:52","guid":{"rendered":"https:\/\/collagensei.com\/?page_id=4848"},"modified":"2026-10-09T13:38:04","modified_gmt":"2026-10-09T05:38:04","slug":"nha-san-xuat-vitamin-b7","status":"publish","type":"page","link":"https:\/\/collagensei.com\/vi\/vitamins-supplier\/vitamin-b7-manufacturer\/","title":{"rendered":"Nh\u00e0 s\u1ea3n xu\u1ea5t vitamin B7"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"4848\" class=\"elementor elementor-4848\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ad35784 e-con-full e-flex e-con e-parent\" data-id=\"ad35784\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3d58ae7 elementor-widget elementor-widget-html\" data-id=\"3d58ae7\" data-element_type=\"widget\" data-e-type=\"widget\" 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#biotin-inquiry{scroll-margin-top:90px}\r\n@media(max-width:980px){.gensei-biotin-page .g-hero-grid,.gensei-biotin-page .g-inquiry-grid{grid-template-columns:1fr}.gensei-biotin-page .g-image-card{width:min(100%,520px);justify-self:center}.gensei-biotin-page .g-overview{grid-template-columns:repeat(2,minmax(0,1fr))}.gensei-biotin-page .g-coa{grid-template-columns:repeat(2,minmax(0,1fr))}.gensei-biotin-page .g-coa .g-coa-title{grid-column:1\/-1}.gensei-biotin-page .g-cta{grid-template-columns:1fr}.gensei-biotin-page .g-cta-actions{justify-content:flex-start}.gensei-biotin-page .g-inquiry-grid{gap:34px}}\r\n@media(max-width:640px){.gensei-biotin-page .g-wrap{width:min(1180px,calc(100% - 22px))}.gensei-biotin-page .g-hero{padding:48px 0 38px}.gensei-biotin-page .g-section{padding:48px 0}.gensei-biotin-page .g-section-head h2{font-size:29px}.gensei-biotin-page .g-overview,.gensei-biotin-page .g-coa,.gensei-biotin-page .g-application-grid,.gensei-biotin-page .g-detail-grid{grid-template-columns:1fr}.gensei-biotin-page .g-coa .g-coa-title{grid-column:auto}.gensei-biotin-page .g-image-card{max-width:420px;border-radius:18px}.gensei-biotin-page .g-cta{padding:28px}.gensei-biotin-page .g-inquiry-section{padding:52px 0}.gensei-biotin-page .g-form-card{padding:23px 18px 20px;border-radius:18px}.gensei-biotin-page .g-inquiry-copy h2{font-size:38px}}\r\n<\/style>\r\n<div class=\"gensei-biotin-page\">\r\n  <section class=\"g-hero\">\r\n    <div class=\"g-wrap g-hero-grid\">\r\n      <div>\r\n        <p class=\"g-eyebrow\">Vitamin Ingredient<\/p>\r\n        <h1>Vitamin B7 (D-Biotin) Powder Supplier<\/h1>\r\n        <p class=\"g-lead\">D-Biotin crystalline powder for vitamin supplement and nutritional formulations, supplied with documented quality specifications and batch testing.<\/p>\r\n        <a class=\"g-btn\" href=\"#biotin-inquiry\">Request Quote<\/a>\r\n      <\/div>\r\n      <div class=\"g-image-card\"><img fetchpriority=\"high\" src=\"https:\/\/collagensei.com\/wp-content\/uploads\/2026\/09\/D-Biotin.webp\" alt=\"D-Biotin (Vitamin B7) crystalline powder raw material supplied by Gensei\" width=\"800\" height=\"800\" fetchpriority=\"high\" decoding=\"async\"><\/div>\r\n    <\/div>\r\n  <\/section>\r\n  <section class=\"g-section\">\r\n    <div class=\"g-wrap\">\r\n      <div class=\"g-section-head\"><h2>Product Overview<\/h2><p>Core identification details for the ingredient.<\/p><\/div>\r\n      <div class=\"g-overview\">\r\n        <div class=\"g-overview-item\"><span>CAS Number<\/span><strong>58-85-5<\/strong><\/div>\r\n        <div class=\"g-overview-item\"><span>Molecular Formula<\/span><strong>C\u2081\u2080H\u2081\u2086N\u2082O\u2083S<\/strong><\/div>\r\n        <div class=\"g-overview-item\"><span>Molecular Weight<\/span><strong>244.31 g\/mol<\/strong><\/div>\r\n        <div class=\"g-overview-item\"><span>Appearance<\/span><strong>White or off-white crystalline powder<\/strong><\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n  <section class=\"g-section g-section-soft\">\r\n    <div class=\"g-wrap\">\r\n      <div class=\"g-section-head\"><h2>Specifications &amp; Batch Results<\/h2><p>The table pairs each quality limit with the measured result from the referenced certificate of analysis.<\/p><\/div>\r\n      <div class=\"g-table-wrap\">\r\n        <table>\r\n          <thead><tr><th scope=\"col\">Test Item<\/th><th scope=\"col\">Specification<\/th><th scope=\"col\">Batch Result<\/th><\/tr><\/thead>\r\n          <tbody>\r\n            <tr class=\"g-group\"><td colspan=\"3\">Identity &amp; Chemical Quality<\/td><\/tr>\r\n            <tr><td>Identification \u2014 Infrared Absorption<\/td><td>Infrared absorption<\/td><td>Conform<\/td><\/tr>\r\n            <tr><td>Identification \u2014 HPLC Retention Time<\/td><td>Major peak corresponds to standard solution<\/td><td>Conform<\/td><\/tr>\r\n            <tr><td>Assay (HPLC)<\/td><td>97.5%\u2013102.0%<\/td><td><strong>99.7%<\/strong><\/td><\/tr>\r\n            <tr><td>Specific Rotation<\/td><td>+89\u00b0 to +93\u00b0<\/td><td>+90.7\u00b0<\/td><\/tr>\r\n            <tr><td>Loss on Drying<\/td><td>\u22640.2%<\/td><td>0.04%<\/td><\/tr>\r\n            <tr><td>Organic Volatile Impurities<\/td><td>Meets USP requirement<\/td><td>Conform<\/td><\/tr>\r\n            <tr><td>Related Substances<\/td><td>Individual \u22641.0%; total \u22642.0%<\/td><td>Conform<\/td><\/tr>\r\n            <tr class=\"g-group\"><td colspan=\"3\">Elemental Impurities<\/td><\/tr>\r\n            <tr><td>Heavy Metals<\/td><td>\u226410 mg\/kg<\/td><td>&lt;10 mg\/kg<\/td><\/tr>\r\n            <tr><td>Arsenic<\/td><td>\u22641.0 mg\/kg<\/td><td>0.02 mg\/kg<\/td><\/tr>\r\n            <tr><td>Lead<\/td><td>\u22640.5 mg\/kg<\/td><td>0.02 mg\/kg<\/td><\/tr>\r\n            <tr><td>Cadmium<\/td><td>\u22640.5 mg\/kg<\/td><td>&lt;0.5 mg\/kg<\/td><\/tr>\r\n            <tr><td>Mercury<\/td><td>\u22640.1 mg\/kg<\/td><td>&lt;0.1 mg\/kg<\/td><\/tr>\r\n            <tr class=\"g-group\"><td colspan=\"3\">Microbiological Quality<\/td><\/tr>\r\n            <tr><td>Total Plate Count<\/td><td>&lt;1,000 CFU\/g<\/td><td>Qualified<\/td><\/tr>\r\n            <tr><td>Yeasts &amp; Moulds<\/td><td>&lt;100 CFU\/g<\/td><td>Qualified<\/td><\/tr>\r\n            <tr><td>E. coli<\/td><td>Negative in 1 g<\/td><td>Negative<\/td><\/tr>\r\n            <tr><td>Salmonella spp.<\/td><td>Negative in 10 g<\/td><td>Negative<\/td><\/tr>\r\n            <tr><td>Staphylococcus aureus<\/td><td>Negative in 10 g<\/td><td>Negative<\/td><\/tr>\r\n          <\/tbody>\r\n        <\/table>\r\n      <\/div>\r\n      <p class=\"g-table-note\">Results apply to the referenced batch, not to all future production lots. The COA identifies certain elemental and microbiological tests as performed every six months; request documentation applicable to your order.<\/p>\r\n    <\/div>\r\n  <\/section>\r\n  <section class=\"g-section\">\r\n    <div class=\"g-wrap\">\r\n      <div class=\"g-section-head\"><h2>Batch Traceability<\/h2><p>Reference details for the lot represented by the test results above.<\/p><\/div>\r\n      <div class=\"g-coa\">\r\n        <div class=\"g-coa-title\"><span>Product Code<\/span><strong>SPVH01<\/strong><\/div>\r\n        <div><span>Batch Number<\/span><strong>0525120041<\/strong><\/div>\r\n        <div><span>Analysis Date<\/span><strong>2026-01-04<\/strong><\/div>\r\n        <div><span>Manufacture Date<\/span><strong>2025-12-29<\/strong><\/div>\r\n        <div><span>Expiry Date<\/span><strong>2028-12-28<\/strong><\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n  <section class=\"g-section g-section-soft\">\r\n    <div class=\"g-wrap\">\r\n      <div class=\"g-section-head\"><h2>Applications<\/h2><p>Typical formulation formats for this vitamin ingredient. Finished-product suitability depends on dosage, processing and applicable requirements.<\/p><\/div>\r\n      <div class=\"g-application-grid\">\r\n        <div class=\"g-application\"><h3>Capsules &amp; Tablets<\/h3><p>For single-vitamin and multivitamin finished products.<\/p><\/div>\r\n        <div class=\"g-application\"><h3>B-Complex Formulations<\/h3><p>For formulas combining multiple B vitamins.<\/p><\/div>\r\n        <div class=\"g-application\"><h3>Nutritional Premixes<\/h3><p>For incorporation into measured vitamin blends.<\/p><\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n  <section class=\"g-section\">\r\n    <div class=\"g-wrap\">\r\n      <div class=\"g-section-head\"><h2>Supply &amp; Documentation<\/h2><p>Commercial details are confirmed against the quantity and destination of each request.<\/p><\/div>\r\n      <div class=\"g-detail-grid\">\r\n        <div class=\"g-detail-card\"><h3>Quality Documentation<\/h3><p>The applicable certificate of analysis can be provided for quality review.<\/p><\/div>\r\n        <div class=\"g-detail-card\"><h3>Order Details<\/h3><p>MOQ, packaging and lead time are quoted for the requested quantity and delivery destination.<\/p><\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n  <section class=\"g-inquiry-section\" id=\"biotin-inquiry\">\r\n    <div class=\"g-wrap g-inquiry-grid\">\r\n      <div class=\"g-inquiry-copy\"><h2>Request a Quotation<\/h2><p>Share your required quantity, delivery destination and any documentation needs so we can prepare the relevant commercial details.<\/p><\/div>\r\n      <div class=\"g-form-card\"><h3>Send Your Inquiry<\/h3><p class=\"g-form-intro\">Provide your company and project requirements below.<\/p>\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 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