{"id":1738,"date":"2026-06-26T17:27:10","date_gmt":"2026-06-26T16:27:10","guid":{"rendered":"http:\/\/seamlessbio.de\/?page_id=1738"},"modified":"2026-07-12T14:09:00","modified_gmt":"2026-07-12T13:09:00","slug":"rhsa-wirtschaft","status":"publish","type":"page","link":"https:\/\/seamlessbio.de\/de\/rhsa-economy\/","title":{"rendered":"rHSA Economy"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1738\" class=\"elementor elementor-1738\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c7eef07 e-con e-atomic-element e-flexbox-base e-db005b0 \" data-id=\"c7eef07\" data-element_type=\"e-flexbox\" data-e-type=\"e-flexbox\" data-interaction-id=\"c7eef07\" data-e-type=\"e-flexbox\" data-id=\"c7eef07\">\n    \t\t<div class=\"elementor-element elementor-element-d57bbff elementor-widget elementor-widget-html\" data-id=\"d57bbff\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<!--\nYOAST SEO\nSlug:      \/rhsa-economy\/\nSEO Title: rHSA Economy | Recombinant HSA | Xeno-Free | SeamlessBio\nMeta Desc: Recombinant Human Serum Albumin Economy grade \u2014 yeast-expressed, fully xeno-free. \u226596% purity, \u22645 EU\/mg. Research and process development. No MOQ. SeamlessBio EU supplier.\nFocus KW:  recombinant human serum albumin economy grade Europe\nImage:     rhsa-economy-flasche.png\n-->\n\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@graph\":[\n{\"@type\":\"BreadcrumbList\",\"itemListElement\":[\n{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/seamlessbio.de\/\"},\n{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Albumin & Proteins\",\"item\":\"https:\/\/seamlessbio.de\/albumin-proteins\/\"},\n{\"@type\":\"ListItem\",\"position\":3,\"name\":\"rHSA Overview\",\"item\":\"https:\/\/seamlessbio.de\/rhsa-overview\/\"},\n{\"@type\":\"ListItem\",\"position\":4,\"name\":\"rHSA Economy\",\"item\":\"https:\/\/seamlessbio.de\/rhsa-economy\/\"}\n]},\n{\"@type\":\"FAQPage\",\"mainEntity\":[\n{\"@type\":\"Question\",\"name\":\"What is rHSA Economy grade?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"rHSA Economy is a yeast-expressed (Pichia pastoris) recombinant Human Serum Albumin at a cost-effective price point for research and process development. Fully xeno-free \u2014 no animal-derived components in the final product. \u226596% purity (SDS-PAGE), \u22645 EU\/mg endotoxin (LAL). Suitable for serum-free cell culture, buffer formulation and research applications.\"}},\n{\"@type\":\"Question\",\"name\":\"What is the difference between rHSA Economy and rHSA Premium?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"rHSA Economy: \u226596% purity, \u22645 EU\/mg \u2014 cost-optimised for research and process development. rHSA Premium: \u226599% purity, \u22641 EU\/mg \u2014 for cell therapy formulation and GMP-adjacent applications. Both are fully xeno-free yeast-expressed recombinant HSA.\"}},\n{\"@type\":\"Question\",\"name\":\"Is rHSA Economy xeno-free?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes \u2014 yeast-expressed rHSA contains no animal-derived components in the final product. Full xeno-free documentation available on request.\"}},\n{\"@type\":\"Question\",\"name\":\"Can rHSA Economy replace BSA in serum-free media?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes \u2014 rHSA Economy is a direct xeno-free alternative to BSA as a serum-free media supplement. Identical carrier and stabilisation function to BSA without bovine origin. Typical use concentration 0.5\u201310 g\/L depending on application.\"}}\n]}\n]}\n<\/script>\n\n<div class=\"sb-pp\">\n\n<nav class=\"sb-pp-bc\">\n  <a href=\"https:\/\/seamlessbio.de\/\">Home<\/a> <span>\/<\/span>\n  <a href=\"https:\/\/seamlessbio.de\/albumin-proteins\/\">Albumin &amp; Proteins<\/a> <span>\/<\/span>\n  <a href=\"https:\/\/seamlessbio.de\/rhsa-overview\/\">rHSA Overview<\/a> <span>\/<\/span>\n  rHSA Economy\n<\/nav>\n\n<!-- HERO -->\n<div class=\"sb-pp-hero\">\n  <div class=\"sb-pp-hero-left\">\n    <div class=\"sb-pp-hero-eyebrow\">Recombinant HSA \u00b7 Yeast-Expressed \u00b7 Fully Xeno-Free \u00b7 Economy Grade<\/div>\n    <h1>rHSA Economy<\/h1>\n    <p class=\"sb-pp-hero-desc\">Yeast-expressed recombinant Human Serum Albumin \u2014 fully xeno-free, cost-effective for research and early process development. No animal-derived components in the final product. Direct BSA replacement for serum-free applications requiring xeno-free compliance.<\/p>\n    <div class=\"sb-pp-hero-btns\">\n      <a href=\"mailto:info@seamlessbio.de?subject=rHSA%20Economy%20Enquiry\" class=\"sb-pp-btn-dark\">Request Quote or Sample<\/a>\n      <a href=\"https:\/\/seamlessbio.de\/rhsa-overview\/\" class=\"sb-pp-btn-outline\">All rHSA Grades<\/a>\n    <\/div>\n  <\/div>\n  <div class=\"sb-pp-hero-img\">\n    <img decoding=\"async\" src=\"https:\/\/seamlessbio.de\/wp-content\/uploads\/2026\/07\/rhsa-economy-flasche.png\"\n         alt=\"rHSA Economy Recombinant Human Serum Albumin Xeno-Free Economy Grade \u2014 SeamlessBio Germany\"\n         onerror=\"this.style.display='none'\">\n  <\/div>\n<\/div>\n\n<!-- USP CARDS -->\n<div class=\"sb-pp-usps\">\n  <div class=\"sb-pp-usp\">\n    <div class=\"sb-pp-usp-num\">01<\/div>\n    <h3>Fully Xeno-Free<\/h3>\n    <p>No animal-derived components in the final product. Full xeno-free documentation on request. EMA\/410\/01 compliant.<\/p>\n  <\/div>\n  <div class=\"sb-pp-usp\">\n    <div class=\"sb-pp-usp-num\">02<\/div>\n    <h3>No Donor Variability<\/h3>\n    <p>Recombinant expression \u2014 identical lot-to-lot specification. No batch-to-batch variation from donor pools.<\/p>\n  <\/div>\n  <div class=\"sb-pp-usp\">\n    <div class=\"sb-pp-usp-num\">03<\/div>\n    <h3>BSA Drop-In Replacement<\/h3>\n    <p>Direct xeno-free alternative to BSA in serum-free media. Identical carrier function. Typical 0.5\u201310 g\/L.<\/p>\n  <\/div>\n  <div class=\"sb-pp-usp\">\n    <div class=\"sb-pp-usp-num\">04<\/div>\n    <h3>No Minimum Order<\/h3>\n    <p>No MOQ. Free test samples on request. 48-hour quote. Lot reservation available.<\/p>\n  <\/div>\n<\/div>\n\n<!-- SPECS TABLE -->\n<div class=\"sb-pp-specs\">\n  <h2>Product Specifications<\/h2>\n  <table class=\"sb-pp-table\">\n    <tbody>\n    <tr><td>Product<\/td><td>Recombinant Human Serum Albumin \u2014 Economy Grade<\/td><\/tr>\n    <tr><td>Expression System<\/td><td>Yeast (Pichia pastoris)<\/td><\/tr>\n    <tr><td>Xeno-Free<\/td><td>Yes \u2014 no animal-derived components in final product<\/td><\/tr>\n    <tr><td>Sequence<\/td><td>Human albumin sequence \u2014 identical to native HSA<\/td><\/tr>\n    <tr><td>Molecular Weight<\/td><td>~66.5 kDa<\/td><\/tr>\n    <tr><td>Purity<\/td><td>\u226596% (SDS-PAGE)<\/td><\/tr>\n    <tr><td>Endotoxin<\/td><td>\u22645 EU\/mg (LAL)<\/td><\/tr>\n    <tr><td>Appearance<\/td><td>Clear to slightly opalescent solution or white lyophilised powder<\/td><\/tr>\n    <tr><td>Available formats<\/td><td>Lyophilised powder \u00b7 Solution on request<\/td><\/tr>\n    <tr><td>Packaging<\/td><td>1 g \u00b7 5 g \u00b7 10 g \u00b7 50 g \u00b7 100 g \u00b7 Bulk on request<\/td><\/tr>\n    <tr><td>Storage<\/td><td>+2\u00b0C to +8\u00b0C (solution) \u00b7 -20\u00b0C (lyophilised)<\/td><\/tr>\n    <tr><td>Shelf Life<\/td><td>24 months from date of manufacture<\/td><\/tr>\n    <tr><td>Documentation<\/td><td>CoA per lot \u00b7 SDS<\/td><\/tr>\n    <tr><td>Availability<\/td><td>On request<\/td><\/tr>\n    <tr><td>Minimum order<\/td><td>No minimum order quantity<\/td><\/tr>\n    <\/tbody>\n  <\/table>\n<\/div>\n\n<!-- 2-COL: APPLICATIONS + WHEN TO USE -->\n<div class=\"sb-pp-twocol\">\n  <div>\n    <h2>Applications<\/h2>\n    <ul class=\"sb-pp-bullets\">\n      <li>Serum-free cell culture media supplement \u2014 xeno-free BSA replacement<\/li>\n      <li>Growth factor stabilisation in defined serum-free media<\/li>\n      <li>DMPK plasma protein binding assays (contact us for fatty acid-free spec)<\/li>\n      <li>Drug delivery research \u2014 albumin nanoparticle preparation<\/li>\n      <li>Assay buffer and blocking reagent formulation<\/li>\n      <li>Process development \u2014 early-stage media screening<\/li>\n      <li>Cryopreservation buffer xeno-free supplement<\/li>\n      <li>iPSC and primary cell culture serum-free formulations<\/li>\n    <\/ul>\n  <\/div>\n  <div>\n    <h3>Economy vs Premium \u2014 When to Choose<\/h3>\n    <table class=\"sb-pp-table\">\n      <thead><tr><th>Application<\/th><th>Grade<\/th><\/tr><\/thead>\n      <tbody>\n      <tr><td>Basic research<\/td><td>Economy \u2705<\/td><\/tr>\n      <tr><td>Process development<\/td><td>Economy \u2705<\/td><\/tr>\n      <tr><td>Media screening<\/td><td>Economy \u2705<\/td><\/tr>\n      <tr><td>Cell therapy formulation<\/td><td>Premium<\/td><\/tr>\n      <tr><td>ATMP ancillary material<\/td><td>Premium \/ CHO<\/td><\/tr>\n      <tr><td>GMP manufacturing<\/td><td>CHO-Expressed<\/td><\/tr>\n      <\/tbody>\n    <\/table>\n    <p style=\"font-size:13px;color:#888;margin:12px 0 0\">Need higher purity? See <a href=\"https:\/\/seamlessbio.de\/rhsa-premium\/\" style=\"color:#18b7b2;font-weight:600;text-decoration:none\">rHSA Premium<\/a> (\u226599% \u00b7 \u22641 EU\/mg) or <a href=\"https:\/\/seamlessbio.de\/rhsa-cho-expressed\/\" style=\"color:#18b7b2;font-weight:600;text-decoration:none\">rHSA CHO-Expressed<\/a>.<\/p>\n  <\/div>\n<\/div>\n\n<!-- FAQ -->\n<div class=\"sb-pp-faq\">\n  <h2>Frequently Asked Questions<\/h2>\n  <div class=\"sb-pp-faq-item\">\n    <h3>What is rHSA Economy grade?<\/h3>\n    <p>Yeast-expressed rHSA at a cost-effective price for research and process development. Fully xeno-free. \u226596% purity, \u22645 EU\/mg. Suitable for serum-free cell culture, buffer formulation and research where highest purity is not required.<\/p>\n  <\/div>\n  <div class=\"sb-pp-faq-item\">\n    <h3>Can rHSA Economy replace BSA?<\/h3>\n    <p>Yes \u2014 direct xeno-free drop-in replacement for BSA in serum-free media. Identical carrier and stabilisation function. Typical concentration 0.5\u201310 g\/L depending on application.<\/p>\n  <\/div>\n  <div class=\"sb-pp-faq-item\">\n    <h3>Is rHSA Economy xeno-free?<\/h3>\n    <p>Yes \u2014 no animal-derived components in the final product. Full xeno-free documentation on request.<\/p>\n  <\/div>\n  <div class=\"sb-pp-faq-item\">\n    <h3>What is the difference between Economy and Premium?<\/h3>\n    <p>Economy: \u226596% purity, \u22645 EU\/mg \u2014 research and process development. Premium: \u226599%, \u22641 EU\/mg \u2014 cell therapy formulation and GMP-adjacent. Both fully xeno-free yeast-expressed.<\/p>\n  <\/div>\n<\/div>\n\n<!-- RELATED -->\n<div class=\"sb-pp-qs\">\n  <h2>Related Products<\/h2>\n  <div class=\"sb-pp-qs-grid\">\n    <a href=\"https:\/\/seamlessbio.de\/rhsa-premium\/\" class=\"sb-pp-qs-card\">\n      <div class=\"sb-pp-qs-card-label\">rHSA \u00b7 Higher Purity \u00b7 GMP-Adjacent<\/div>\n      <div class=\"sb-pp-qs-card-link\">rHSA Premium \u2192<\/div>\n    <\/a>\n    <a href=\"https:\/\/seamlessbio.de\/rhsa-cho-expressed\/\" class=\"sb-pp-qs-card\">\n      <div class=\"sb-pp-qs-card-label\">rHSA \u00b7 CHO \u00b7 Clinical-Stage<\/div>\n      <div class=\"sb-pp-qs-card-link\">rHSA CHO-Expressed \u2192<\/div>\n    <\/a>\n    <a href=\"https:\/\/seamlessbio.de\/human-serum-albumin\/\" class=\"sb-pp-qs-card\">\n      <div class=\"sb-pp-qs-card-label\">HSA \u00b7 Plasma-Derived \u00b7 4 Grades<\/div>\n      <div class=\"sb-pp-qs-card-link\">Human Serum Albumin (HSA) \u2192<\/div>\n    <\/a>\n    <a href=\"https:\/\/seamlessbio.de\/bsa-fatty-acid-free\/\" class=\"sb-pp-qs-card\">\n      <div class=\"sb-pp-qs-card-label\">BSA \u00b7 Fatty Acid-Free \u00b7 DMPK<\/div>\n      <div class=\"sb-pp-qs-card-link\">BSA Fatty Acid-Free \u2192<\/div>\n    <\/a>\n    <a href=\"https:\/\/seamlessbio.de\/rhsa-overview\/\" class=\"sb-pp-qs-card\">\n      <div class=\"sb-pp-qs-card-label\">rHSA \u00b7 All Grades \u00b7 Comparison<\/div>\n      <div class=\"sb-pp-qs-card-link\">rHSA Overview \u2192<\/div>\n    <\/a>\n    <a href=\"https:\/\/seamlessbio.de\/albumin-proteins\/\" class=\"sb-pp-qs-card\">\n      <div class=\"sb-pp-qs-card-label\">BSA \u00b7 HSA \u00b7 rHSA \u00b7 All<\/div>\n      <div class=\"sb-pp-qs-card-link\">All Albumin & Proteins \u2192<\/div>\n    <\/a>\n  <\/div>\n<\/div>\n\n<!-- CTA -->\n<div class=\"sb-pp-cta\">\n  <h2>Request rHSA Economy<\/h2>\n  <p>On request \u2014 free test samples available. 48-hour quote. No minimum order.<\/p>\n  <div class=\"sb-pp-cta-btns\">\n    <a href=\"mailto:info@seamlessbio.de?subject=rHSA%20Economy%20Enquiry\" class=\"sb-pp-btn-teal\">Request Quote or Sample<\/a>\n    <a href=\"https:\/\/seamlessbio.de\/rhsa-overview\/\" class=\"sb-pp-btn-outline-dark\">All rHSA Grades \u2192<\/a>\n  <\/div>\n<\/div>\n\n<\/div>\n\n<style>\n*,*::before,*::after{box-sizing:border-box}\n.sb-pp{font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Arial,sans-serif;font-size:16px;color:#1a2e35;line-height:1.65;max-width:1100px;margin:0 auto;padding:32px 20px 80px}\n.sb-pp-bc{font-size:14px;color:#888;margin-bottom:24px}\n.sb-pp-bc a{color:#18b7b2;text-decoration:none}.sb-pp-bc span{color:#888}\n.sb-pp-hero{background:linear-gradient(135deg,#18b7b2 0%,#a8e6e4 60%,#e8f9f8 100%);border-radius:20px;padding:56px 48px;display:grid;grid-template-columns:1fr 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h1{font-size:28px}.sb-pp-usps,.sb-pp-qs-grid{grid-template-columns:1fr}}\n<\/style>\t\t\t\t<\/div>\n\t\t\n<\/div>\n\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Home \/ Albumin &amp; Proteins \/ rHSA Overview \/ rHSA Economy Recombinant HSA \u00b7 Yeast-Expressed \u00b7 Fully Xeno-Free \u00b7 Economy Grade rHSA Economy Yeast-expressed recombinant Human Serum Albumin \u2014 fully [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_eb_attr":"","footnotes":""},"class_list":["post-1738","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>rHSA Economy | Recombinant HSA | Xeno-Free | SeamlessBio<\/title>\n<meta name=\"description\" content=\"Recombinant Human Serum Albumin Economy grade \u2014 yeast-expressed, fully xeno-free. 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