Description General description Methyl 12-oxooctadecanoate is a long chain keto fatty acid and its reaction with hydrazoic acid was studied. Application Methyl 12-oxooctadecanoate was used in preparation of methyl hexahydro-3-hexyl-6-thioxo-1,2,4,5-tetrazine-3-undecanoate, hexahydrothioxotetrazine fatty derivative, via reaction with thiocarbohydrazide. Packaging 100 mg in clear glass bottle 500 mg in amber glass bottle