Yes. Every COA is publicly available before and after purchase. We publish full analytical data — not just a number. Each product page includes a direct link to download the COA for that specific batch. You can also visit our COA Library to search by batch number.

A Certificate of Analysis is a document issued by an independent laboratory confirming the identity and purity of a compound. At Pura Synth, every product is tested by Freedom Diagnostics before it is listed for sale. We never self-certify — every COA comes from a third-party lab with no financial relationship to us.

Yes — every single batch is tested by a third-party laboratory before it is made available for purchase. We never list a product without a confirmed COA on file. You can verify any batch using the batch number printed on your product label.

All products sold by Pura Synth are intended exclusively for laboratory research and educational purposes. They are not approved for human or animal use. By completing a purchase, you confirm that you are acquiring these products solely for legitimate research purposes in a controlled setting.

Lyophilized (freeze-dried) compounds should be kept refrigerated or stored in a standard freezer, protected from light and moisture. Vials should remain sealed and away from humidity and direct sunlight. Under proper storage conditions, stability is maintained for 24+ months. Specific storage guidance is listed on each product page.

Orders are processed within 0–2 business days. Orders placed before 2:00 PM EST on weekdays may ship the same day. Available shipping options:

• Standard Ground — 2–7 business days
• Express — 2 business days

Free standard shipping on orders over $250. All orders ship from Tomball, Texas.

Currently, Pura Synth ships within the continental United States only. All products are stored and fulfilled from our Tomball, Texas facility — 100% domestic supply chain.

Once your order ships, you will receive a tracking number by email. You can also visit our Track Order page to check your shipment status at any time.

We accept all major credit cards, including Visa and Mastercard. All transactions are processed securely through our PCI-DSS compliant third-party payment partners, ensuring your sensitive financial data is handled with the highest level of encryption and security. Your bank statement will reflect the charge as PURASYNTH.

All sales are final. Due to the nature of our research products, we do not accept returns for change of mind or ordering errors. Reshipments are evaluated only for verified fulfillment errors or shipping damage—please contact support@purasynth.com within 7 days of delivery with supporting documentation. If a product fails to meet our 99%+ purity standard, a refund will be processed. Approved refunds are issued back to the original method of payment; please allow 5–7 business days for the credit to reflect on your bank statement.

Lyophilized compounds stored refrigerated or frozen have a shelf life of 24+ months under proper conditions. Once a vial has been prepared for use, it should be used promptly and kept refrigerated. Specific shelf life details are listed on each product's COA and product page.

Yes. We offer vial sets and multi-unit bundles at reduced per-unit pricing across our catalog. For larger volume or institutional inquiries, contact us at support@purasynth.com to discuss options.