Resources

If you have never ordered from Sigma-Aldrich^® in the past…

To begin ordering through the web site, please registeror update your profile and select the Request Ordering Access link on the Order Center. Your request will be reviewed promptly by our screening department. Due to the hazardous or regulated nature of many of the products sold by Sigma-Aldrich, we require a certain amount of due diligence before activating online ordering access.

If your organization has never ordered from Sigma-Aldrich, we would prefer that you contact us by phone for your first order. The new account set-up process generally requires a more information than this form can accomodate.

• Establishing an Account with Sigma-Aldrich
• Terms and Conditions of Sale

Useful information for existing customers

• Online Ordering Help
• Instructions for Ordering DEA Controlled Substances
• Return Materials Authorization Requests