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Important Holiday Shipping Schedule Update


ATCC will be closed Wednesday, December 24, 2025 to Thursday, January 1, 2026. Please be advised  you can still submit orders for products during this time, but shipping will resume on Friday, January 2, 2026.


To ensure shipping before the ATCC holiday closing period, please reference the shipping schedule below:


  • Last shipping day for Domestic orders is Friday, December 19, 2025 (Room temperature items shipping only as no frozen item shipments on Fridays. Frozen/ dry ice shipments resumes January 2, 2026).

  • Last shipping day for International orders is Friday, December 12, 2025.

  • Shipping resumes January 2, 2026 for orders submitted after December 19, 2025.

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From Our Lab to Yours

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Safety tips for getting back in the lab

Keep your lab infection-free

As scientists, we're facing a myriad of changes and challenges due to the COVID-19 pandemic. To help you get back to work, we have put together a kit containing a poster, an infographic, and decals that detail the best practices ATCC scientists use to protect the health of our colleagues and the quality of our research. Download the kit or navigate this page for other helpful resources to keep your lab infection-free.

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Culture Guides

With a century of expertise with cell cultures, ATCC has acquired and developed a vast body of best practices to maximize the return on your biomaterials investment.

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Repairing Reproducibility

Reproducibility is an urgent problem. Explore what scientists believe is the source of the issue and what you can do to protect your research results.

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Watch a webinar to learn lab best practices