Note: Web orders are not reflected in PO Query, but will appear in FSR. Web transactions MUST be paid for via credit card (see Order Instructions below).
Online Ordering Instructions
The following is a basic description of simple order processing:
How to Process Returns
The end-user must obtain a Return Goods Authorization (RGA) number from the Customer Service Representative. This number should be written on all shipping documents. DO NOT WRITE on the cartons. Once the RGA # is obtained, the end-user should enter a WHOI shipping request referencing the RGA number provided. Returns must be made within 60 days of issuance of the Return Goods Authorization number. Return shipments of hazardous materials must be packed, marked, labeled and shipped in accordance with regulations.
Phone: (508) 289-2376
Sigma Aldrich Sales Representative
Voice Mail: (800) 396-0803 x2653
Phone: (978) 423-8639
Sigma Aldrich Customer Service
Phone: (800) 325-3010