2D Barcode 3.0ml Cryogenic Vial, Self-Standing, External Thread, Sterile 50/pk, 250/box, 1000/cs

• USP VI Polypropylene Each tube is permanently marked with a unique 2D barcode, ensuring the tubes can be easily and accurately identified when being moved, shipped or even accidentally dropped. • Laser 2D barcode on the bottom of each tube allows scan and decode at once without removing from rack. 100% inspection guarantees that each code is unique and readable. Non-pyrogenic, DNase/RNase and human DNA free • Round Bottom, Self-standing Solid, one-piece construction ensures the barcode not fall off during the storage under low temperature Autoclavable • Sterilized by E-beam, SAL=10-6 • Clear graduations and white marking area • Recommend to store in gas phase of the nitrogen tank • Internal thread Cap: Special screw cap designed with silicone O-ring to secure the sealing under various condition. • External thread Cap: Special screw cap designed without silicone ring to avoid the contamination risk.