Protocol - Rifampicin Stock Solution

Instructions

50 mg/ml Rifampicin in DMSO

  1. Weigh 0.5 g of rifampicin (Rifampicin, GoldBio Catalog # R-120, [CAS 13292-46-1, mw. = 822.94 g/mol]).
  2. Add 10 ml DMSO. Dissolve completely.
  3. Stock may be kept at -20°C for 1 year. Rifampicin may precipitate in the freezer. Dissolve again before use.


16 mg/ml Rifampicin in Methanol

  1. Weigh 0.16 g of rifampicin [Rifampicin, GoldBio Catalog # R-120, (CAS 13292-46-1, MW = 822.94 g/mol)].
  2. Add 10 ml Methanol. Dissolve completely.
  3. Stock may be kept at -20°C for 1 year. Rifampicin may precipitate in the freezer. Dissolve again before use.
    • Note: Rifampicin will precipitate out of solution in methanol if the concentration is above 16 mg/ml.
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Rifampicin Stock Solution
Protocol

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