S A Pharmachem Pvt Ltd supplies N-Benzyl-6-[4-phenylbutoxy] hexylamine [for Salmeterol xinafoate]. S A Pharmachem Pvt Ltd is an ISO 9001:2000 certified manufacturer of Excipients and Textile Chemicals. Its Molecular formula: C23H33NO and Molecular weight: 339. It appears in colorless to pale yellow liquid form. This N-Benzyl-6-[4-phenylbutoxy] hexylamine [for Salmeterol xinafoate] is freely soluble in common organic solvents but is insoluble in water. Its Assay [by GC]: NLT 98.00 percent.