Nitrosamines are a group of chemical compounds that contain the nitroso functional group attached to an amine group. Nitrosamines can be formed through various chemical processes, including the reaction between nitrites and secondary amines in certain conditions. Nitrosamines are part of a broader class of compounds known as N-nitroso compounds. Buy high quality Salbutamol Nitroso Impurity 1 from Molsyns Research. Molsyns Research is one of the leading manufacturer and exporter of Salbutamol Nitroso Impurity 1.