About Us
China FS API Impurities is a professional manufacturer and supplier specializing in API impurities, pharmaceutical reference standards, degradation products, metabolites, stable isotope-labeled compounds, and custom synthesis services. Our products are widely used in pharmaceutical research, analytical method development, drug quality control, regulatory submissions, bioanalysis, clinical research, and laboratory testing.
Supported by experienced chemists and advanced R&D laboratories, we provide thousands of high-purity impurity standards covering APIs, intermediates, metabolites, nitrosamines, genotoxic impurities, and pharmaceutical reference materials. We maintain strict quality management systems, complete analytical documentation, and reliable inventory to ensure fast worldwide delivery. Our products serve customers across North America, Europe, Asia-Pacific, the Middle East, and more than 50 countries worldwide.
Mission:
To provide pharmaceutical reference standards that support drug development, quality control, and regulatory compliance.
Vision:
To become a respected century-old enterprise in the global pharmaceutical impurity standard and API supply industry.
Values:
Though the analytical process may be complex, we dare not cut corners. Though the certified reference materials may be costly, we dare not reduce their precision.
Business qualifications:
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