Compliance Disclaimer: All products sold by Ascenyx Bio LLC are labeled "For Research Use Only" (RUO). They are not drugs, dietary supplements, cosmetics, or medical devices, and they are not intended for human or animal consumption, diagnosis, treatment, cure, or prevention of any disease. Products may be purchased only by qualified researchers, laboratories, and institutions for in-vitro laboratory research purposes. Nothing on this page constitutes medical advice, dosing guidance, or instructions for human use. By purchasing from Ascenyx Bio, the buyer certifies they are acquiring these materials solely for legitimate research purposes and agrees to our full Terms of Sale and Returns & Refunds Policy.
Frequently Asked Questions
What does "Research Use Only" (RUO) mean?
"Research Use Only" is a regulatory labeling designation used for compounds and reagents that are not approved by the FDA as drugs, dietary supplements, or medical devices, and are not intended for diagnostic, therapeutic, or any human or animal use. RUO products are manufactured and sold exclusively for laboratory research, in-vitro study, and analytical use by qualified institutions. The FDA has published specific guidance addressing when products may properly carry an RUO label and has clarified that this labeling applies to materials intended for legitimate research applications rather than clinical or personal use (U.S. FDA guidance on RUO/IUO labeling). Every product Ascenyx Bio lists is sold under this designation and is not evaluated or approved by the FDA for use in humans or animals.
Are Ascenyx Bio products approved for human or animal use?
No. None of the compounds sold on ascenyxbio.com have been evaluated by the FDA for safety or efficacy in humans or animals. They are not drugs, supplements, or consumer products of any kind. All products are intended strictly for laboratory research, analytical testing, and other non-clinical scientific applications conducted by qualified personnel.
Who is permitted to purchase from Ascenyx Bio?
Our products are sold only to individuals and institutions purchasing for legitimate research or laboratory purposes — including university and academic labs, pharmaceutical and biotech researchers, contract research organizations, and independent scientific researchers. All customers must be at least 21 years of age and must confirm, at checkout, that the materials being purchased will be used solely for research purposes in a controlled laboratory setting and not for human or animal consumption.
Does Ascenyx Bio ship to my state?
Yes. Ascenyx Bio ships to all 50 U.S. states. Some compounds are subject to evolving state-level restrictions on research chemical sales, so we recommend researchers confirm their institution's local and state regulations prior to ordering, as regulatory frameworks for RUO compounds continue to develop.
How long does shipping take?
Orders are processed and shipped from our Alpharetta, GA facility. Standard delivery timelines vary by destination but typically fall within a few business days of dispatch. Tracking information is provided by email once your order ships. For specific delivery estimates to your region, please contact our team at support@ascenyxbio.com.
What are your shipping rates?
We charge a flat shipping rate of $14.95 on all orders under $149. Orders of $149 or more ship free. All orders are shipped in discreet, appropriately packaged materials suitable for laboratory delivery.
What payment methods do you accept?
Ascenyx Bio's online payment processing is currently being finalized as we complete our payment gateway integration. Please check back or contact support@ascenyxbio.com for the most current information on accepted payment methods and order placement options.
What is your return and refund policy?
To protect product integrity, opened research compounds cannot be returned. Damaged, incorrect, defective, or eligible cancelled orders may qualify for replacement or refund under our Refund & Return Policy. We encourage customers to review product specifications and Certificates of Analysis (COAs) carefully before purchasing.
What purity level do your products meet?
Purity varies by product and is confirmed lot-by-lot through third-party HPLC (High-Performance Liquid Chromatography) and LC-MS (Liquid Chromatography–Mass Spectrometry) analysis. The exact purity percentage for each unit is documented in that lot's Certificate of Analysis (COA), available on the corresponding product page.
What is a Certificate of Analysis (COA), and why does it matter?
A Certificate of Analysis is a document issued following laboratory testing that reports the measured purity, identity, and quality characteristics of a specific manufacturing batch (or "lot") of material. COAs typically include the batch/lot number, purity percentage, date of testing, and the testing method or laboratory used. For research applications, COAs are essential because they allow researchers to verify exactly what they received, confirm it matches the intended compound and specification, and support reproducibility in downstream experimental work.
Why is the COA specific to a batch or lot, rather than the product generally?
Peptide synthesis is a chemical manufacturing process, and even with tightly controlled procedures, purity, yield, and trace impurity profiles can vary slightly from one production batch to the next. A COA reflects the actual laboratory test results for the specific lot it was issued for — not a general or historical average for the product line. This is why Ascenyx Bio provides a lot-specific COA download link on every individual product page, rather than a single generic testing document for each compound.
How do I find the COA for the product I ordered?
Each product page on ascenyxbio.com includes a direct download link to that item's Certificate of Analysis, listed by lot number. We recommend confirming that the lot number on your physical product label matches the lot number on the COA you download, to ensure you are referencing the correct documentation for your specific unit.
Do you provide handling or preparation instructions?
No. Ascenyx Bio does not provide usage, handling, or preparation instructions. Our products are sold exclusively for qualified laboratory research applications, and researchers should follow their institution's own standard operating procedures.
How does HPLC and LC-MS testing work?
HPLC (High-Performance Liquid Chromatography) separates the components of a sample as it passes through a column, allowing analysts to measure what percentage of the detected material corresponds to the primary compound peak — this is generally how "purity percentage" is calculated and reported. LC-MS (Liquid Chromatography–Mass Spectrometry) adds mass-based identification, confirming the molecular weight of the compound and helping detect related impurities that chromatography alone may not fully resolve. Used together, these methods provide both a purity measurement and a molecular identity confirmation. See our Quality & Testing page for a more detailed technical explanation.
Why should I trust Ascenyx Bio's quality claims?
Ascenyx Bio only lists products backed by documented third-party laboratory testing. Every product includes lot-specific COA documentation derived from independent third-party HPLC/LC-MS testing, accessible directly from the product page. We believe researchers deserve transparent, verifiable documentation rather than generic purity claims, and we structure our catalog accordingly.
Who do I contact with questions about an order or product documentation?
Our support team can be reached at support@ascenyxbio.com for questions regarding orders, shipping, product documentation, or COA verification.