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.
As part of our continuing efforts to characterize and authenticate the cell lines in the Cell Biology collection, ATCC has developed a comprehensive database of short tandem repeat (STR) DNA profiles for all of our human cell lines. Download our guide before starting.
