Customer Service


Email all questions, comments, concerns, as well as catalog requests to Special orders can be made for Duchefa Biochemie Brand products not listed on this site. Please email us with any requests. Orders over 10 items must be quoted and we  cannot process large orders through this site. is operated by Gold Biotechnology, Inc., the only liscenced distributor of Duchefa brand products in North America. We can only ship to Canada, Mexico, and the United States.  If you are outside of North America, please visit for the distributor in your country.
Click here to visit for proven, published, low cost reagents.

Technical assistance email:
Contact Info:
Duchefa Direct
1328 Ashby Rd.
St. Louis MO 63132
Phone: 1.800.248.7609
Fax: 314.890.0503