I found a flask at -20 ºC but storing conditions are RT...
We keep kanamycin at -20 C only in our lab.
OK thanks, actually we keep stocks solutions at -20ºC too. What I was asking, and perhaps was not clear was about the powder... what I found at -20 was the solid to prepare...
We have had the exact same scenario in my lab - I can attest that it will not affect the kanamycin adversely at all.
We have always kept ours in the freezer, doesn't seem to harm it at all.
I agree with Justin Leavitt
Thank you all!
We always keep the kanamycin stocks at -20oC. No problem
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