Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 79794-75-5, Whether you call it Loratadine or 1-Piperidinecarboxylic acid - 4-(8-chloro-5 -6-dihydro-11H-benzo[5 -6]cyclohepta[1 -2-b]pyridin-11-ylidene)- - ethyl ester you can be assured the products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.