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description
CHOZN® DHFR-/- ZFN-modified CHO cell line
dihydrofolate reductase knockout cell line
Quality Level
shipped in
dry ice
storage temp.
−196°C
General description
CHOZN cell lines were created utilizing Sigma′s proprietary CompoZr Zinc Finger Nuclease (ZFN) technology to create genetic modifications in parental CHO-K1 cells. Cells are banked in chemically defined, animal component free EX-CELL CD CHO Fusion media
Cell Line Origin
CHOZN cell lines are all subclones of the parental CHO-K1 cell line originated by Puck in 1957.
Physical form
CHOZN cell lines are provided to customers in vials containing >7.5e6 cells/mL
Legal Information
All CHOZN cell lines are sold under license from Sigma Aldrich. A copy of the research license is provided with purchase of the CHOZN cell lines.
CHOZN is a registered trademark of Merck KGaA, Darmstadt, Germany
Storage Class Code
10 - Combustible liquids
WGK
WGK 2
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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