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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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ATCC and USP: A collaboration to enable innovation in biologics

Offering a comprehensive set of materials and standards for quality control from development to delivery

A partnership with products rooted in quality

As biopharmaceutical innovation continues to advance, ensuring the safety and quality of these potentially life-changing medicines is critical to meeting regulatory requirements while also building the trust of patients and healthcare practitioners. Trusted reference materials and standards can help accelerate biologics development. For ATCC and USP, advancing quality assessment tools is the priority.

A legacy of trust brings confidence to quality control for biologics

ATCC and USP—two organizations with a legacy of delivering high-quality materials and standards—have come together to offer exclusive new solutions to help biopharmaceutical manufacturers and scientists advance the development of medicines, including biologics. These trusted materials, quality control frameworks, and tools build confidence across every step of the product development journey and aide in meeting regulatory expectations, thereby helping to increase the availability, supply, and safety of new medicines in the U.S. and across the globe.

Learn more about our ATCC-USP Strategic Collaboration

Products & resources: Trusted solutions to enable quality development of therapies and vaccines

Learn more about our genomic DNA controls

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