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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:GBW(E)08601-500mL Sulphuric acid standard titration solution reference material Product Name:Sulphuric acid standard titration solution reference material CAS No.:7664-93-9 Molecular Formula:
Product Number:PCL-2020DD008-1L reference materials for potassium hydroxide titration solutions made from methanol Product Name:reference materials for potassium hydroxide titration solutions made from methanol CAS No.:N/A Molecular Formula:
Product Number:PCL-2024DD129-500ml reference materials for potassium hydroxide titration solutions made from ethanol Product Name:reference materials for potassium hydroxide titration solutions made from ethanol CAS No.:N/A Molecular Formula:
Product Number:PCL-2020DD058-500mL Standard material for lithium methanol titration solution Product Name:Standard material for lithium methanol titration solution CAS No.:865-34-9 Molecular Formula:
Product Number:PCL-2023DD169-500ml reference material of sodium tetraphenylboron titrimetric solution Product Name:reference material of sodium tetraphenylboron titrimetric solution CAS No.:143-66-8 Molecular Formula:
Product Number:PCL-2023DD004-100ml Sodium ethanol titration solution, standard Product Name:Sodium ethanol titration solution, standard CAS No.:N/A Molecular Formula:
Product Number:PCL-2023DD001-500ml reference material for sodium chloride titration solution Product Name:reference material for sodium chloride titration solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2023BZ075-500ml Cerium sulfate standard titrimetric solution, reference material Product Name:Cerium sulfate standard titrimetric solution, reference material CAS No.:17106-39-7 Molecular Formula:
Product Number:PCL-2020XHD002 reference material for iodine bromide titration solution Product Name:reference material for iodine bromide titration solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2024DD257-500ml reference material for sodium hydroxide titration solution made from ethanol Product Name:reference material for sodium hydroxide titration solution made from ethanol CAS No.:N/A Molecular Formula:
Product Number:PCL-2020DD070-500ml Sodium thiosulfate titration solution reference material Product Name:Sodium thiosulfate titration solution reference material CAS No.:10102-17-7 Molecular Formula:
Product Number:PCL-2020DD077-500ml Calcium chloride standard titration solution reference material Product Name:Calcium chloride standard titration solution reference material CAS No.:N/A Molecular Formula:
Product Number:PCL-2020DD028-500ml silver nitrate titration solution reference material Product Name:silver nitrate titration solution reference material CAS No.:N/A Molecular Formula:
Product Number:PCL-2020DD045-500ml Sodium acetate titration solution reference material Product Name:Sodium acetate titration solution reference material CAS No.:N/A Molecular Formula:
Product Number:PCL-2020DD200-500ml Oxalic acid titration solution reference material Product Name:Oxalic acid titration solution reference material CAS No.:62-76-0 Molecular Formula:
Product Number:PCL-2020DD060-500ml reference material for bromine titration solution Product Name:reference material for bromine titration solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2024DD055-500ml reference material for titrimetric solution of tetramethylammonium hydroxide Product Name:reference material for titrimetric solution of tetramethylammonium hydroxide CAS No.:N/A Molecular Formula:
Product Number:PCL-2020DD096-500ml Cerium sulfate titrimetric solution, reference material Product Name:Cerium sulfate titrimetric solution, reference material CAS No.:13590-82-4 Molecular Formula:
Product Number:PCL-2020DD099-1L Zinc titration solution reference material Product Name:Zinc titration solution reference material CAS No.:7733-02-0 Molecular Formula:
Product Number:PCL-2020DD555-500ml reference material for barium perchlorate titration solution Product Name:reference material for barium perchlorate titration solution CAS No.:13465-95-7 Molecular Formula:
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