Loratadine Impurity 11 with CAS No: 1126-09-6 is an impurity standard of Loratadine. Loratadine is a commonly used medication classified as a second-generation antihistamine. Loratadine is primarily used to relieve allergy symptoms such as sneezing, runny nose, itchy or watery eyes and itching of the throat or nose.Loratadine is an antihistamine. Buy high quality Loratadine Impurity 11 from Molsyns Research. Molsyns Research is one of the leading manufacturer and exporter of Loratadine Impurity 11