storing coumermycin

John W. Lester ez056368 at
Wed Mar 15 03:31:59 EST 1995

Dear Colleagues,

                Could anyone tell me how best to store the antibiotic coumermycin a?
It is solublised in DMSO.  I am afraid that repeated removal from cold
storage at either +4 or -20 will lead to excessive contamination by 
water.  It came as a dusting of powder on the inside of a vial from
Sigma.  Please reply by email to jwlester at and not to the 
newsgroup.  Thank you very much,
				John Lester

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