Tetracycline - MetabolicEngineeringGroupCBMA/MetabolicEngineeringGroupCBMA.github.io GitHub Wiki Tetracycline 12.5 mg/ml Add 125 mg Tetracycline Hydrochloride (MW = 480.898 g/mol) powder to a 15 mL FALCON tube. Add 7 mL of Ethanol 99.5 or 96%. Add water to 10 mL. Aliquot 1 mL per tube and store at -20C. For XL1-Blue add 12.5 µg/mL Tetracycline. ⚠️ **GitHub.com Fallback** ⚠️