(-)-1-[(4-Chlorophenyl Methyl]Piperazine is accessible in 98% pure form. White in appearance, its molecular weight is 196.63. Melting point of this substance ranges between 76 degree C to 77 degree C and its flash point is 144.4 degree C. Vapor pressure of (-)-1-[(4-Chlorophenyl Methyl]Piperazine is 0 mm Hg at 25 degree C and its refractive index is 1.597. Its flash point is 189.141 degree C. Standard of this substance has been verified on the basis of its storage life, medicinal attributes, stability of properties, formulation method, content and purity level. This pharmaceutical grade substance has been produced under controlled temperature to keep its original standard intact.