Nitrosamines can be formed through various chemical processes, including the reaction between nitrites and secondary amines in certain conditions. It is a N-Nitroso of secondary amine present in Felodipine. Nitrosamines are part of a broader class of compounds known as N-nitroso compounds. Felodipine is a medication classified as a calcium channel blocker.Felodipine is commonly prescribed to treat high blood pressure (hypertension) and certain types of chest pain (angina). Calcium channel blockers work by relaxing and widening the blood vessels which is reduces the workload on the heart and improves blood flow. Buy high quality N-Nitroso Felodipine from Molsyns Research. Molsyns Research is one of the leading manufacturer and exporter of N-Nitroso Felodipine.