{"id":3656,"date":"2026-04-17T22:11:21","date_gmt":"2026-04-17T22:11:21","guid":{"rendered":"https:\/\/firebrick-hamster-619463.hostingersite.com\/?page_id=3656"},"modified":"2026-07-23T09:32:39","modified_gmt":"2026-07-23T09:32:39","slug":"faq","status":"publish","type":"page","link":"https:\/\/aestx-systems.com\/en\/faq\/","title":{"rendered":"FAQ"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"3656\" class=\"elementor elementor-3656\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-121d29ea e-flex e-con-boxed e-con e-parent\" data-id=\"121d29ea\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-340c4c5e elementor-widget elementor-widget-text-editor\" data-id=\"340c4c5e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<style>\n.aestx-faq * { box-sizing: border-box; }\n.aestx-faq {\n  max-width: 860px;\n  margin: 0 auto;\n  font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;\n  color: #1a1a1a;\n  padding: 20px 0;\n}\n.aestx-faq-category {\n  background: #ffffff;\n  border: 1px solid #e5e5e5;\n  border-radius: 4px;\n  padding: 28px 32px;\n  margin-bottom: 20px;\n  box-shadow: 0 1px 4px rgba(0,0,0,0.06);\n}\n.aestx-faq-category-header {\n  display: flex;\n  align-items: center;\n  gap: 12px;\n  margin-bottom: 8px;\n  padding-bottom: 16px;\n  border-bottom: 2px solid #f0f0f0;\n}\n.aestx-faq-category-icon {\n  width: 36px;\n  height: 36px;\n  background: #b8962e;\n  border-radius: 4px;\n  display: flex;\n  align-items: center;\n  justify-content: center;\n  flex-shrink: 0;\n}\n.aestx-faq-category-icon svg {\n  width: 18px;\n  height: 18px;\n  stroke: #fff;\n  fill: none;\n  stroke-width: 2;\n  stroke-linecap: round;\n  stroke-linejoin: round;\n}\n.aestx-faq-category-title {\n  font-size: 15px;\n  font-weight: 700;\n  color: #1a1a1a;\n  letter-spacing: 0.04em;\n  text-transform: uppercase;\n}\n.aestx-faq-item { border-bottom: 1px solid #f0f0f0; }\n.aestx-faq-item:last-child { border-bottom: none; }\n.aestx-faq-question {\n  width: 100%;\n  background: none;\n  border: none;\n  color: #1a1a1a;\n  font-size: 14px;\n  font-weight: 600;\n  text-align: left;\n  padding: 18px 0;\n  cursor: pointer;\n  display: flex;\n  justify-content: space-between;\n  align-items: center;\n  gap: 16px;\n  font-family: inherit;\n  transition: color 0.15s;\n  line-height: 1.4;\n}\n.aestx-faq-question:hover { color: #b8962e; }\n.aestx-faq-icon {\n  width: 22px;\n  height: 22px;\n  border: 2px solid #ccc;\n  border-radius: 50%;\n  flex-shrink: 0;\n  transition: border-color 0.2s, background 0.2s;\n  position: relative;\n  display: inline-block;\n}\n.aestx-faq-icon::before,\n.aestx-faq-icon::after {\n  content: '';\n  position: absolute;\n  background: #999;\n  border-radius: 2px;\n  transition: background 0.2s, opacity 0.2s;\n  top: 50%;\n  left: 50%;\n  transform: translate(-50%, -50%);\n}\n.aestx-faq-icon::before { width: 10px; height: 2px; }\n.aestx-faq-icon::after  { width: 2px; height: 10px; }\n.aestx-faq-item.open .aestx-faq-icon { border-color: #b8962e; background: #b8962e; }\n.aestx-faq-item.open .aestx-faq-icon::before { background: #fff; }\n.aestx-faq-item.open .aestx-faq-icon::after  { background: #fff; opacity: 0; }\n.aestx-faq-item.open .aestx-faq-question { color: #b8962e; }\n.aestx-faq-answer {\n  display: none;\n  color: #555;\n  font-size: 13.5px;\n  line-height: 1.75;\n  padding-bottom: 18px;\n  padding-right: 40px;\n}\n.aestx-faq-item.open .aestx-faq-answer { display: block; }\n.aestx-faq-disclaimer {\n  background: #f9f6ef;\n  border: 1px solid #e0d5b8;\n  border-left: 4px solid #b8962e;\n  border-radius: 4px;\n  padding: 20px 24px;\n  margin-top: 28px;\n  display: flex;\n  gap: 16px;\n  align-items: flex-start;\n}\n.aestx-faq-disclaimer-icon { font-size: 20px; flex-shrink: 0; margin-top: 1px; }\n.aestx-faq-disclaimer-title { font-size: 12px; font-weight: 700; color: #1a1a1a; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 6px; }\n.aestx-faq-disclaimer-text { font-size: 12px; color: #777; line-height: 1.65; }\n<\/style>\n\n<div class=\"aestx-faq\">\n\n  <div class=\"aestx-faq-category\">\n    <div class=\"aestx-faq-category-header\">\n      <div class=\"aestx-faq-category-icon\">\n        <svg viewbox=\"0 0 24 24\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><path d=\"M9.09 9a3 3 0 0 1 5.83 1c0 2-3 3-3 3\"\/><line x1=\"12\" y1=\"17\" x2=\"12.01\" y2=\"17\"\/><\/svg>\n      <\/div>\n      <div class=\"aestx-faq-category-title\">General<\/div>\n    <\/div>\n    <div class=\"aestx-faq-item\">\n      <button class=\"aestx-faq-question\"><span>What are research compounds and how are they used?<\/span><span class=\"aestx-faq-icon\"><\/span><\/button>\n      <div class=\"aestx-faq-answer\">Research compounds are high-purity chemical substances or peptides developed exclusively for use in scientific in vitro laboratory studies. Qualified researchers and laboratories use them to investigate biological mechanisms, receptor-binding kinetics and cellular signalling pathways. These compounds are not intended for human consumption, medical use or use in animals.<\/div>\n    <\/div>\n    <div class=\"aestx-faq-item\">\n      <button class=\"aestx-faq-question\"><span>Who can order from AESTX Systems?<\/span><span class=\"aestx-faq-icon\"><\/span><\/button>\n      <div class=\"aestx-faq-answer\">Our products are intended exclusively for trained scientists, researchers, laboratories and institutions conducting in vitro research. By placing an order, you confirm that you are of legal age, have the knowledge required to handle research compounds safely and will comply with all applicable regulations in your jurisdiction.<\/div>\n    <\/div>\n    <div class=\"aestx-faq-item\">\n      <button class=\"aestx-faq-question\"><span>Is purchasing your products legal internationally?<\/span><span class=\"aestx-faq-icon\"><\/span><\/button>\n      <div class=\"aestx-faq-answer\">The legal status of research compounds varies considerably between countries and regions. Buyers are responsible for checking the applicable laws and regulations in their country before purchasing. AESTX Systems accepts no liability for importing, possessing or using products in jurisdictions where they are restricted or prohibited.<\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"aestx-faq-category\">\n    <div class=\"aestx-faq-category-header\">\n      <div class=\"aestx-faq-category-icon\">\n        <svg viewbox=\"0 0 24 24\"><path d=\"M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z\"\/><\/svg>\n      <\/div>\n      <div class=\"aestx-faq-category-title\">Quality &amp; testing<\/div>\n    <\/div>\n    <div class=\"aestx-faq-item\">\n      <button class=\"aestx-faq-question\"><span>Are your compounds tested for purity?<\/span><span class=\"aestx-faq-icon\"><\/span><\/button>\n      <div class=\"aestx-faq-answer\">Yes. All AESTX Systems products are tested for purity and identity by independent third-party laboratories using HPLC (High-Performance Liquid Chromatography). Quality assurance is a top priority, and we ensure that every batch meets our strict internal standards before it is shipped.<\/div>\n    <\/div>\n    <div class=\"aestx-faq-item\">\n      <button class=\"aestx-faq-question\"><span>What purity can I expect?<\/span><span class=\"aestx-faq-icon\"><\/span><\/button>\n      <div class=\"aestx-faq-answer\">Most of our products achieve a purity of \u226599%, verified by HPLC analysis. Specific purity values are listed in each product\u2019s specifications. We commit to supplying only compounds with a minimum purity of \u226598%.<\/div>\n    <\/div>\n    <div class=\"aestx-faq-item\">\n      <button class=\"aestx-faq-question\"><span>Can I obtain a Certificate of Analysis (COA)?<\/span><span class=\"aestx-faq-icon\"><\/span><\/button>\n      <div class=\"aestx-faq-answer\">Yes. A Certificate of Analysis (COA) is available on request for every product. It includes the HPLC purity analysis results, identity confirmation and other relevant quality data. Please contact our support team with your order number.<\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"aestx-faq-category\">\n    <div class=\"aestx-faq-category-header\">\n      <div class=\"aestx-faq-category-icon\">\n        <svg viewbox=\"0 0 24 24\"><rect x=\"1\" y=\"3\" width=\"15\" height=\"13\" rx=\"1\"\/><path d=\"M16 8h4l3 3v5h-7V8z\"\/><circle cx=\"5.5\" cy=\"18.5\" r=\"2.5\"\/><circle cx=\"18.5\" cy=\"18.5\" r=\"2.5\"\/><\/svg>\n      <\/div>\n      <div class=\"aestx-faq-category-title\">Shipping &amp; delivery<\/div>\n    <\/div>\n    <div class=\"aestx-faq-item\">\n      <button class=\"aestx-faq-question\"><span>What is your shipping policy?<\/span><span class=\"aestx-faq-icon\"><\/span><\/button>\n      <div class=\"aestx-faq-answer\">Orders are usually delivered within 3\u20135 working days after payment has been received. Shipping to Germany is free for orders of \u20ac150 or more, and to Austria for orders of \u20ac250 or more. Once your order has shipped, you will receive an email with your tracking number.<\/div>\n    <\/div>\n    <div class=\"aestx-faq-item\">\n      <button class=\"aestx-faq-question\"><span>Do you ship internationally?<\/span><span class=\"aestx-faq-icon\"><\/span><\/button>\n      <div class=\"aestx-faq-answer\">Yes, we ship to selected international destinations. Buyers are responsible for any customs duties and taxes and for complying with local import regulations.<\/div>\n    <\/div>\n    <div class=\"aestx-faq-item\">\n      <button class=\"aestx-faq-question\"><span>How is the product packaged?<\/span><span class=\"aestx-faq-icon\"><\/span><\/button>\n      <div class=\"aestx-faq-answer\">All products are shipped in professional, light-protective bottles or vials. The outer packaging is discreet and gives no indication of its contents.<\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"aestx-faq-category\">\n    <div class=\"aestx-faq-category-header\">\n      <div class=\"aestx-faq-category-icon\">\n        <svg viewbox=\"0 0 24 24\"><path d=\"M9 3H5a2 2 0 0 0-2 2v4m6-6h10a2 2 0 0 1 2 2v4M9 3v18m0 0h10a2 2 0 0 0 2-2v-4M9 21H5a2 2 0 0 1-2-2v-4m0 0h18\"\/><\/svg>\n      <\/div>\n      <div class=\"aestx-faq-category-title\">Products<\/div>\n    <\/div>\n    <div class=\"aestx-faq-item\">\n      <button class=\"aestx-faq-question\"><span>In what form are the compounds supplied?<\/span><span class=\"aestx-faq-icon\"><\/span><\/button>\n      <div class=\"aestx-faq-answer\">Most of our compounds are supplied as lyophilised (freeze-dried) powder. This form ensures maximum stability and a longer shelf life.<\/div>\n    <\/div>\n    <div class=\"aestx-faq-item\">\n      <button class=\"aestx-faq-question\"><span>Are research supplies such as bacteriostatic water included?<\/span><span class=\"aestx-faq-icon\"><\/span><\/button>\n      <div class=\"aestx-faq-answer\">No. Research supplies such as bacteriostatic water or syringes are not included. Required laboratory equipment should be sourced separately.<\/div>\n    <\/div>\n    <div class=\"aestx-faq-item\">\n      <button class=\"aestx-faq-question\"><span>How should I store the compounds?<\/span><span class=\"aestx-faq-icon\"><\/span><\/button>\n      <div class=\"aestx-faq-answer\">Lyophilised powders should be stored at \u221220\u00b0C for long-term storage or at 2\u20138\u00b0C for short-term storage. Protect the products from sunlight and moisture.<\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"aestx-faq-category\">\n    <div class=\"aestx-faq-category-header\">\n      <div class=\"aestx-faq-category-icon\">\n        <svg viewbox=\"0 0 24 24\"><rect x=\"1\" y=\"4\" width=\"22\" height=\"16\" rx=\"2\" ry=\"2\"\/><line x1=\"1\" y1=\"10\" x2=\"23\" y2=\"10\"\/><\/svg>\n      <\/div>\n      <div class=\"aestx-faq-category-title\">Payment &amp; orders<\/div>\n    <\/div>\n    <div class=\"aestx-faq-item\">\n      <button class=\"aestx-faq-question\"><span>Which payment methods are accepted?<\/span><span class=\"aestx-faq-icon\"><\/span><\/button>\n      <div class=\"aestx-faq-answer\">We accept credit cards (Visa, Mastercard and American Express) ON REQUEST after an order has been placed using \u201cadvance payment\u201d, cryptocurrencies (Bitcoin and Ethereum) and bank transfers. All payments are processed through secure, encrypted connections.<\/div>\n    <\/div>\n    <div class=\"aestx-faq-item\">\n      <button class=\"aestx-faq-question\"><span>Can I change or cancel my order?<\/span><span class=\"aestx-faq-icon\"><\/span><\/button>\n      <div class=\"aestx-faq-answer\">Changes or cancellations are only possible before the order has shipped. Please contact our support team by email as soon as possible.<\/div>\n    <\/div>\n    <div class=\"aestx-faq-item\">\n      <button class=\"aestx-faq-question\"><span>Do you offer refunds?<\/span><span class=\"aestx-faq-icon\"><\/span><\/button>\n      <div class=\"aestx-faq-answer\">Due to the nature of our products, all sales are generally final. In the event of a quality defect or shipping error, we offer a replacement or refund after review. Please contact us within 7 days of receipt.<\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"aestx-faq-disclaimer\">\n    <div class=\"aestx-faq-disclaimer-icon\">\u2697\ufe0f<\/div>\n    <div>\n      <div class=\"aestx-faq-disclaimer-title\">For research use only<\/div>\n      <div class=\"aestx-faq-disclaimer-text\">All products offered by AESTX Systems are intended exclusively for scientific laboratory and in vitro research. They are not suitable for human consumption, medical use or diagnostic purposes. Statements made on this website have not been evaluated by the FDA or any other authority.<\/div>\n    <\/div>\n  <\/div>\n\n<\/div>\n\n<script>\n(function() {\n  function initFaq() {\n    var buttons = document.querySelectorAll('.aestx-faq-question');\n    buttons.forEach(function(btn) {\n      btn.addEventListener('click', function(e) {\n        e.preventDefault();\n        var item = btn.parentElement;\n        var isOpen = item.classList.contains('open');\n        document.querySelectorAll('.aestx-faq-item.open').forEach(function(el) {\n          el.classList.remove('open');\n        });\n        if (!isOpen) { item.classList.add('open'); }\n      });\n    });\n  }\n  if (document.readyState === 'loading') {\n    document.addEventListener('DOMContentLoaded', initFaq);\n  } else {\n    initFaq();\n  }\n})();\n<\/script>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Allgemein Was sind Forschungsverbindungen und wie werden sie eingesetzt? Forschungsverbindungen sind hochreine chemische Substanzen oder Peptide, die ausschlie\u00dflich f\u00fcr den Einsatz in wissenschaftlichen In-vitro-Laborstudien entwickelt wurden. Sie werden von qualifizierten Forschern und Laboratorien genutzt, um biologische Mechanismen, Rezeptorbindungskinetik und Zellsignalwege zu untersuchen. Diese Verbindungen sind nicht f\u00fcr den menschlichen Verzehr, medizinische Anwendungen oder den Einsatz [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3656","page","type-page","status-publish","hentry"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/aestx-systems.com\/en\/wp-json\/wp\/v2\/pages\/3656","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aestx-systems.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/aestx-systems.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/aestx-systems.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aestx-systems.com\/en\/wp-json\/wp\/v2\/comments?post=3656"}],"version-history":[{"count":23,"href":"https:\/\/aestx-systems.com\/en\/wp-json\/wp\/v2\/pages\/3656\/revisions"}],"predecessor-version":[{"id":3861,"href":"https:\/\/aestx-systems.com\/en\/wp-json\/wp\/v2\/pages\/3656\/revisions\/3861"}],"wp:attachment":[{"href":"https:\/\/aestx-systems.com\/en\/wp-json\/wp\/v2\/media?parent=3656"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}