The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
Use a concentration of 10 µg/ml.
Meperidine, (ethyl 1-methyl-4-phenylpiperidine-4-carboxylate), is a narcotic analgesic that can be used for the relief of most types of moderate to severe pain, including postoperative pain and the pain of labour. Prolonged use may lead to dependence of the morphine type. Withdrawal symptoms appear more rapidly than with morphine and are of shorter duration. Molecular formula: C15H21NO2.