Questions, answered.

Orders ship from domestic inventory, typically within 1–2 business days of purchase. Transit time depends on the shipping method selected at checkout.

Shipping availability varies by destination. Check the shipping options presented at checkout for your address, or contact us directly if you don't see your country listed.

Yes. A tracking number is emailed as soon as your order ships, and order status is also available from your account dashboard.

Contact us within 48 hours of delivery with photos of the damaged item and packaging, and we'll arrange a replacement or refund per our Shipping & Returns policy.

If the order hasn't shipped yet, reach out immediately and we'll do our best to accommodate a change. Once an order has shipped, it can't be modified.

Yes. Every batch is screened by an accredited third-party laboratory across six panels — identity, purity, quantitative assay, heavy metals, and two microbial screens — before it's released to inventory.

Scan the QR code on your vial label, or search your batch number directly in the COA Library.

Every batch is held to a minimum of 98% purity by correlation-coefficient analysis, and a minimum of 95% label-claim accuracy by quantitative assay.

A batch that fails any of the six panels is held and does not enter inventory. It is not sold under any circumstances.

Testing is performed by an independent, accredited laboratory unaffiliated with our manufacturing process — never in-house.

Unless otherwise noted on the product page, vials should be stored refrigerated and protected from light. Refer to the specific storage guidance on each product listing.

Temperature-sensitive items ship with appropriate cold-chain packaging. Refrigerate promptly upon arrival.

Stability varies by compound. Check the specific product page and accompanying documentation for guidance relevant to that item.

Expiration dating is printed on the vial's flag tag and reflected in the batch's Certificate of Analysis.

All products are sold strictly for laboratory and research purposes. They are not intended for human or animal consumption, diagnostic use, or any therapeutic application.

By placing an order, you confirm the products will be used solely for permitted research purposes, consistent with our Terms of Service.

Yes. The research-use-only standard is applied across every product page, package, and piece of correspondence — not stated once and set aside.

The complete research-use terms are outlined in our Terms of Service, linked in the site footer.

Accepted payment methods are displayed at checkout and may vary over time. Check the checkout page for current options.

Yes. All transactions are processed through encrypted, PCI-compliant payment processing — we never store your full card details on our servers.

You can check out as a guest, but creating an account lets you track orders, save shipping details, and access past COAs more easily.

Use the "Forgot Password" link on the account login page to receive a reset link by email.