S A Pharmachem Pvt Ltd manufactures 4-Phenylbutyric acid methyl ester [for Salmeterol xinafoate]. S A Pharmachem Pvt Ltd is an ISO 9001:2000 certified manufacturer of Excipients and Textile Chemicals. It is also available as Methyl-4-phenylbutyrate. Its CAS no.: 2046-17-5, Molecular formula: C11H14O2 and Molecular weight: 178.23. It is soluble in methanol, toluene and chloroform. It is insoluble in water. It appears in colorless to pale yellow liquid form.
