Erythromycin
Erythromycin kdorfman Fri, 01/20/2012 - 18:10solubility
50 mg/mL in ethanol
lasts up to 4 weeks in poured agar at 4C
10 mg/mL stock
(10 µg/mL in medium)
0.25 g in 25 mL EtOH
1 mL aliquots
freeze
0.6 mg/mL for QSB
2.1 mL 10 mg/mL stock
33 mL EtOH1
48 0.7 mL aliquots
freeze
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Try 20 µL in 330 µL water to see if it dissolves. If so, then make aqueous solution, filter sterilize, and freeze. ↩︎