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Question (64778) | Natural Human Factor XIII protein (ab62427)

Could you let me know the specific activity of FXIII ASAP?
At this time we cannot find any activity of this enzyme.
I would like to order another vial of FXIII ASAP but, I am not sure we can get the same one we usually used.

Following my previous message, I have been informed that the activity of the older lot that you used was 91 U/mg. The activity of the most recent lot that you received is 102 U/mg.

As I mentioned in my previous message, lot *** is no longer available, but the more recent lot, ***, contains more activity units per vial.

The commercial assay that is used to determine activity is described on the webpage at the following link:


Please let me know if you have any questions.