MilliporeSigma

Cheers to Pi Day!

Let’s celebrate and save


Man wearing Pi Day t-shirt

Thanks for participating in Pi Day! Enter your Sigma-Aldrich Order Number in the form below to redeem your awesome t-shirt now through April 7*.

*Some exclusions apply. See disclaimer for details.


Yay! Let’s redeem your awesome 2023 Pi Day t-shirt. Complete the form below and your shirt will arrive in 8–10 weeks.

Your shirt will arrive in 8-10 weeks after the promotion ends.

Fields indicated by an * are required.


Offer Disclaimer

Offer good for purchases made between March 2 and March 27, 2023, through SigmaAldrich.com or customer service at 800-325-3010. To qualify for the t-shirt, single orders must be over $599 before any freight or handling charges have been applied. Quotes must be booked with MilliporeSigma as sales orders before March 31, 2023. Must complete this form by March 27, 2023.  One per customer, while supplies last.  Please allow 8-10 weeks for delivery.


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