How long does it take to process and ship an order?

The processing and shipping time for orders from Sigma-Aldrich Corporation may vary depending on several factors. Generally, orders are processed within 1-2 business days from the time of placement. However, certain products may require additional processing time due to special handling requirements or availability. Once the order is processed, shipping time depends on the chosen shipping method, destination, and any applicable customs procedures. Sigma-Aldrich offers various shipping options, including standard ground, expedited, and international shipping. Typically, standard ground shipping within the United States takes around 2-5 business days, while international shipping may take longer. Customers can track the progress of their orders online using the provided tracking number. For more precise details about order processing and shipping estimates, it is recommended to contact Sigma-Aldrich's customer service team.