Mix-and-match volume savings
Build your order. Unlock your savings.
Combine qualifying research products in one cart. The highest eligible volume tier applies automatically—no volume code needed.
Opening offer: enter OPEN at checkout for 10% off eligible orders. Available combinations and your final savings are shown at checkout.
1. Choose your products
Different qualifying products and quantities count together toward your volume tier.
2. Reach a tier
3–4 eligible items save 5%. 5–9 save 15%. 10 or more save 25%.
3. Review and check out
Review your applied discounts and shipping options before placing your order.
Can I mix different products?
Yes. For example, 2 eligible items of one product plus 3 of another reach the 5-item tier. You do not need five of the same product.
Do the volume tiers add together?
No. The highest qualifying volume tier applies: 5%, 15%, or 25%. The tiers do not add together.
How does free shipping work?
Free U.S. shipping is available on eligible orders $99+. Your shipping eligibility and available rates are confirmed at checkout.
For laboratory research and analytical use only. Not for human or animal use.