CAS 841-06-5 appears in our catalog under these names: Methoprotryne, Methoprotryne, Concentration: 1000 µg/ml Solvent: Ethyl acetate, Methoprotryne, Concentration: 100 µg/ml Solvent: Acetonitrile. Offered by: Dr. Ehrenstorfer, HPC Standards. Available pack sizes: 100mg, 1x1ml.