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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-2020HC028-100ml Acetate buffer 100ml Product Name:Acetate buffer 100ml CAS No.: Molecular Formula:
Product Number:PCL-2024HC008-500mL Potassium dihydrogen phosphate buffer (0.01 mol/L) Product Name:Potassium dihydrogen phosphate buffer (0.01 mol/L) CAS No.: Molecular Formula:
Product Number:PCL-2024HC007-1L Ethylenediamine-HCl buffer Product Name:Ethylenediamine-HCl buffer CAS No.: Molecular Formula:
Product Number:PCL-2023HC003-100ml Barbiturate buffer 100ml Product Name:Barbiturate buffer 100ml CAS No.: Molecular Formula:
Product Number:PCL-2024BZ046-40ml*4（套） TOC analyzer system suitability test standard solution Product Name:TOC analyzer system suitability test standard solution CAS No.: Molecular Formula:
Product Number:PCL-2024HC004-1ml TE buffer Product Name:TE buffer CAS No.: Molecular Formula:
Product Number:PCL-2024HC002-100ml Sodium acetate buffer solution 100ml Product Name:Sodium acetate buffer solution 100ml CAS No.: Molecular Formula:
Product Number:PCL-2020HC066-100ml Phosphate standard buffer (pH buffer solution/mixed phosphate pH solution standard material) Product Name:Phosphate standard buffer (pH buffer solution/mixed phosphate pH solution standard material) CAS No.: Molecular Formula:
Product Number:PCL-2023HC005-50ml Sodium Azide-PBS Buffer 50ml Product Name:Sodium Azide-PBS Buffer 50ml CAS No.: Molecular Formula:
Product Number:PCL-2023HC005-100ml Sodium Azide-PBS Buffer 100ml Product Name:Sodium Azide-PBS Buffer 100ml CAS No.: Molecular Formula:
Product Number:PCL-2020HC107-1L Phosphate buffered saline 1L Product Name:Phosphate buffered saline 1L CAS No.: Molecular Formula:
Product Number:PCL-2021SY095-100ml Potassium Permanganate TS Product Name:Potassium Permanganate TS CAS No.: Molecular Formula:
Product Number:PCL-2020HC063-100ml Barbiturate Buffer Stock Solution 100ml Product Name:Barbiturate Buffer Stock Solution 100ml CAS No.: Molecular Formula:
Product Number:PCL-#-HC017-1L PBS buffer Product Name:PBS buffer CAS No.: Molecular Formula:
Product Number:PCL-2023HC003-500ml Barbiturate buffer 500ml Product Name:Barbiturate buffer 500ml CAS No.: Molecular Formula:
Product Number:PCL-2020HC028-1L Acetate buffer 1L Product Name:Acetate buffer 1L CAS No.: Molecular Formula:
Product Number:PCL-2023HC002-500ml Tris buffer(pH 7.5) Product Name:Tris buffer(pH 7.5) CAS No.: Molecular Formula:
Product Number:PCL-#-HC004-500ml Calcium Hydroxide Standard Buffer 500ml Product Name:Calcium Hydroxide Standard Buffer 500ml CAS No.: Molecular Formula:
Product Number:PCL-#-HC004-250ml Calcium Hydroxide Standard Buffer250ml Product Name:Calcium Hydroxide Standard Buffer250ml CAS No.: Molecular Formula:
Product Number:PCL-2020HC106-100ml Total Hardness Buffer in Water Product Name:Total Hardness Buffer in Water CAS No.: Molecular Formula:
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