S A Pharmachem Pvt Ltd supplies R-[-]-1-[4-Chlorobenzhydryl] piperazine [for Levocetrizine dihydrochloride]. S A Pharmachem Pvt Ltd is an ISO 9001:2000 certified manufacturer of Excipients and Textile Chemicals. It is also available as [-]-1-[4-[Chlorophenyl] phenyl methyl piperazine. Its Molecular formula: C17H19ClN2, Molecular weight: 286.79 and Melting range: 67 - 70 deg C. It is soluble in Toluene and Methanol. It is insoluble in water. This R-[-]-1-[4-Chlorobenzhydryl] piperazine [for Levocetrizine dihydrochloride] comes in white to off white crystalline powder form.