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Hengyuan Fine Chemical is a leading supplier of reference materials and standards, specializing in providing high-precision and highly reliable solutions for industries such as environmental testing, food safety, and pharmaceutical research and development. We offer nearly 50,000 ready-to-ship products, including pharmaceutical impurity reference standards, chemical analysis reference standards, pharmacopoeial titrants, biopeptide reference standards, and more, meeting the testing needs of various industries.

With a craftsmanship spirit at our core, we are committed to refining every product to ensure its quality and accuracy. At the same time, we understand customer needs through in-depth communication, providing customized solutions and fast delivery services to support the efficient progress of your projects.

Hengyuan Fine Chemical—where precision becomes a habit and trust becomes a bond.


Product Number Image Product Name CAS No. Molecular Formula
Product Number:PCL-2020HC048-500ml Phosphate buffered saline（pH6.8） Product Name:Phosphate buffered saline（pH6.8） CAS No.: Molecular Formula:
Product Number:PCL-2020HC054-500ml Phosphate buffered saline（pH7.6） Product Name:Phosphate buffered saline（pH7.6） CAS No.: Molecular Formula:
Product Number:PCL-2020HC031-500ml Acetic acid-sodium acetate buffer Product Name:Acetic acid-sodium acetate buffer CAS No.: Molecular Formula:
Product Number:PCL-2020HC021-500ml Ammonia-ammonium chloride buffer Product Name:Ammonia-ammonium chloride buffer CAS No.: Molecular Formula:
Product Number:PCL-2020HC001-500ml Ethanol-ammonium acetate buffer Product Name:Ethanol-ammonium acetate buffer CAS No.: Molecular Formula:
Product Number:PCL-2020HC018-500ml Citric Acid-Sodium Hydrogen Phosphate Buffer Product Name:Citric Acid-Sodium Hydrogen Phosphate Buffer CAS No.: Molecular Formula:
Product Number:PCL-2020HC052-500ml Phosphate buffered saline（pH7.3） Product Name:Phosphate buffered saline（pH7.3） CAS No.: Molecular Formula:
Product Number:PCL-2020HC032-500ml Acetic acid-sodium acetate buffer(pH3.8) Product Name:Acetic acid-sodium acetate buffer(pH3.8) CAS No.: Molecular Formula:
Product Number:PCL-#-HC012-500ml Acid Phthalate Buffer Product Name:Acid Phthalate Buffer CAS No.: Molecular Formula:
Product Number:PCL-2020HC012-500ml Sodium formate buffer 500ml Product Name:Sodium formate buffer 500ml CAS No.: Molecular Formula:
Product Number:PCL-2020HC047-500ml Phosphate buffered saline（pH6.6） Product Name:Phosphate buffered saline（pH6.6） CAS No.: Molecular Formula:
Product Number:PCL-2020HC024-500ml Borax-sodium carbonate buffer Product Name:Borax-sodium carbonate buffer CAS No.: Molecular Formula:
Product Number:PCL-2020HC039-500ml Acetic acid-ammonium acetate buffer Product Name:Acetic acid-ammonium acetate buffer CAS No.: Molecular Formula:
Product Number:PCL-2020HC004-500ml Tris buffer Product Name:Tris buffer CAS No.: Molecular Formula:
Product Number:PCL-2020HC010-100ml Barbiturate buffer100ml Product Name:Barbiturate buffer100ml CAS No.: Molecular Formula:
Product Number:PCL-2020HC019-500ml Tris HCl buffer Product Name:Tris HCl buffer CAS No.: Molecular Formula:
Product Number:PCL-2020HC035-500ml Acetic acid-sodium acetate buffer(pH6.0) Product Name:Acetic acid-sodium acetate buffer(pH6.0) CAS No.: Molecular Formula:
Product Number:PCL-2020HC055-500ml Phosphate buffered saline（pH7.8） Product Name:Phosphate buffered saline（pH7.8） CAS No.: Molecular Formula:
Product Number:PCL-2020HC040-500ml Phosphate-triethylamine buffer Product Name:Phosphate-triethylamine buffer CAS No.: Molecular Formula:
Product Number:PCL-2020HC026-500ml Borate-Potassium Chloride Buffer Product Name:Borate-Potassium Chloride Buffer CAS No.: Molecular Formula:
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