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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-2020HC107-500ml Phosphate buffered saline Product Name:Phosphate buffered saline CAS No.: Molecular Formula:
Product Number:PCL-2020HC008-250ml Hexamethylenetetramine buffer Product Name:Hexamethylenetetramine buffer CAS No.: Molecular Formula:
Product Number:PCL-2020HC029-250ml Acetate-lithium buffer (pH 3.0) Product Name:Acetate-lithium buffer (pH 3.0) CAS No.: Molecular Formula:
Product Number:PCL-2020HC020-250ml 2-Oxoglutarate buffer Product Name:2-Oxoglutarate buffer CAS No.: Molecular Formula:
Product Number:PCL-2020HC033-250ml Acetic acid-sodium acetate buffer (pH 4.5) Product Name:Acetic acid-sodium acetate buffer (pH 4.5) CAS No.: Molecular Formula:
Product Number:PCL-2020HC043-250ml Phosphate buffer (pH 2.5) Product Name:Phosphate buffer (pH 2.5) CAS No.: Molecular Formula:
Product Number:PCL-2020HC006-250ml Tris buffer (pH 8.1) Product Name:Tris buffer (pH 8.1) CAS No.: Molecular Formula:
Product Number:PCL-2020HC056-250ml Phosphate buffer (pH 7.8-8.0) Product Name:Phosphate buffer (pH 7.8-8.0) CAS No.: Molecular Formula:
Product Number:PCL-2020HC067-250ml Borax buffer solution Product Name:Borax buffer solution CAS No.: Molecular Formula:
Product Number:PCL-2020HC027-250ml Sodium acetate buffer Product Name:Sodium acetate buffer CAS No.: Molecular Formula:
Product Number:PCL-#-HC018-500ml Tris-HCl buffer Product Name:Tris-HCl buffer CAS No.: Molecular Formula:
Product Number:PCL-2020HC054-250ml Phosphate buffer (pH 7.6) Product Name:Phosphate buffer (pH 7.6) CAS No.: Molecular Formula:
Product Number:PCL-2020HC014-250ml Phthalate buffer (pH 5.6) Product Name:Phthalate buffer (pH 5.6) CAS No.: Molecular Formula:
Product Number:PCL-2020HC022-250ml Ammonia-ammonium chloride buffer (pH 10.0) Product Name:Ammonia-ammonium chloride buffer (pH 10.0) CAS No.: Molecular Formula:
Product Number:PCL-#-Rd019 Succinic Acid Melting Point Standards Product Name:Succinic Acid Melting Point Standards CAS No.: Molecular Formula:
Product Number:PCL-#-Rd012 Acetanilide Melting Point Standard Product Name:Acetanilide Melting Point Standard CAS No.: Molecular Formula:
Product Number:PCL-#-Rd021 Dicyandiamide Melting Point Standard Product Name:Dicyandiamide Melting Point Standard CAS No.: Molecular Formula:
Product Number:PCL-#-Rd001 Benzophenone Melting Point Standard Product Name:Benzophenone Melting Point Standard CAS No.: Molecular Formula:
Product Number:GBW(E)082643 Nitrite ion solution standard substance Product Name:Nitrite ion solution standard substance CAS No.: Molecular Formula:
Product Number:PCL-#-Rd011 Azobenzene Melting Point Standard Product Name:Azobenzene Melting Point Standard CAS No.: Molecular Formula:
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