All sales are final — with a narrow exception if your order arrives damaged or incorrect.
Because our products are research chemicals whose integrity cannot be verified once they leave our control, all sales are final. We do not accept returns or exchanges and do not provide refunds for change of mind, ordering the wrong item, no-longer-needed orders, or similar reasons. Please review your order carefully before completing checkout.
We stand behind what we ship. You are eligible for a free replacement or a refund (our choice) if any of the following happens:
Contact us through our contact page within 7 days of the delivery date and include:
Please keep the product and all packaging until your claim is resolved. Claims submitted after 7 days, or without the required photos, may not be eligible.
Once we receive your claim we'll review it, usually within a few business days. If it's approved, we'll either ship a free replacement or issue a refund for the affected item, at our discretion. Approved refunds are issued to your original payment method. Depending on the payment method and your bank, it may take several business days for the refund to appear. For a replacement, we cover the reshipment cost.
The exception above does not apply to:
If tracking shows your package has not moved for an extended period or is marked lost by the carrier, contact us and we'll help investigate with the carrier. Remedies for genuine carrier loss are handled case by case. We are not responsible for packages marked delivered by the carrier but reported not received, or for losses resulting from an incorrect address.
Because orders move into processing quickly, orders cannot be cancelled once placed. If you believe you made an error immediately after ordering, contact us right away and we'll help if the order has not yet been prepared for shipment, though we cannot guarantee it.
If you have a problem with an order, please contact us first — we're glad to help and will resolve legitimate issues under this policy. Filing a chargeback or payment dispute without contacting us is treated as a breach of our Terms of Sale and may result in refusal of future orders.
Questions about this policy or a specific order can be sent through our contact page. Please include your order number so we can help quickly.