USP Reference Standards...Specified for use in conducting official tests and assays found in the United States Pharmacopeia–National Formulary, whose standards and procedures are enforceable by the U.S. Food and Drug Administration for drugs marketed in or imported to the United States.....Designed for use in identification tests, limit tests for impurities or related compounds, assays for drug substances and formulations, system suitability tests, chromatographic and spectrophotometric procedures, and performance verification tests (e.g., particle count, melting point, and dissolution) as calibrators, blanks, or controls. USP Reference Standard supplier in Gujarat,  USP Reference Standard supplier in Ankleshwar, USP Reference Standard supplier in Vadodara,  USP Reference Standard supplier in Ahmedabad,  USP Reference Standard supplier in Rajkot, USP Reference Standard supplier in Vapi.