How Can We Help?

For 50 years, we have made it our mission to provide research and pharmaceutical scientists with the highest purity products. We offer solutions for the entire product cycle-Research to Commercialization.

We are dedicated to providing excellent customer service every step of the way! Whether searching for products, placing an order, or taking advantage of our custom synthesis service, please reach out to us during any part of the ordering process. We are here to help!

Search Products – Browse our catalog
Technical Support – Assistance with selecting a product or an item you have already purchased
International Distributors – Find a distributor near you or become a distributor
FAQs – Frequently Asked Questions
Ordering Information – How to place an order

Office Hours

Monday – Thursday:  8:00 AM – 4:30 PM CST
Friday:  8:00 AM – 4:00 PM CST
Summer Hours (6/1 – 8/31) M-F:  7:30 AM – 4:00 PM CST

Phone Numbers

Toll-Free Telephone (USA/Canada):  (800) 227-0651
Toll-Free Fax (USA/Canada):  (800) 229-1004
Direct-Dial Phone (USA/International):  (205) 663-2494
Direct Dial Fax (USA/International):  (205) 663-0756