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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-2024RY012-500ml Ethyl Phosphate Solution Product Name:Ethyl Phosphate Solution CAS No.: Molecular Formula:
Product Number:PCL-2024RY011-500ml Ethyl sulfate solution Product Name:Ethyl sulfate solution CAS No.: Molecular Formula:
Product Number:PCL-2024RY010-500ml Ethyl perchloric acid solution Product Name:Ethyl perchloric acid solution CAS No.: Molecular Formula:
Product Number:PCL-2024SY001-100ml Nessler's reagent Product Name:Nessler's reagent CAS No.: Molecular Formula:
Product Number:PCL-2023BZ1052-90ml Holmium Oxide Wavelength Solution Standard Product Name:Holmium Oxide Wavelength Solution Standard CAS No.: Molecular Formula:
Product Number:PCL-#-520-5ml Dehydroacetic acid standard solution Product Name:Dehydroacetic acid standard solution CAS No.: Molecular Formula:
Product Number:PCL-2023BZ745 Chloroacetaldehyde standard solution in methanol Product Name:Chloroacetaldehyde standard solution in methanol CAS No.: Molecular Formula:
Product Number:PCL-2024RY005-500ml Mercuric chloride ethanol solution Product Name:Mercuric chloride ethanol solution CAS No.: Molecular Formula:
Product Number:PCL-2024RY006-100mL Mercuric thiocyanate-ethanol solution Product Name:Mercuric thiocyanate-ethanol solution CAS No.: Molecular Formula:
Product Number:PCL-2024RY004-1L Perchloric acid solution standard substance Product Name:Perchloric acid solution standard substance CAS No.: Molecular Formula:
Product Number:PCL-2024RY003-50mL Aminopyrine-caffeine solution Product Name:Aminopyrine-caffeine solution CAS No.: Molecular Formula:
Product Number:PCL-2025SY012-100ml Invert Sugar Standard Solution Product Name:Invert Sugar Standard Solution CAS No.: Molecular Formula:
Product Number:PCL-2021SY256-100ml Alkaline copper citrate test solution - Solution B Product Name:Alkaline copper citrate test solution - Solution B CAS No.: Molecular Formula:
Product Number:PCL-2024RY001-250ml Lithium chloride ethanol standard solution Product Name:Lithium chloride ethanol standard solution CAS No.: Molecular Formula:
Product Number:PCL-2021RY071-500ml Sulfuric acid solution standard substance Product Name:Sulfuric acid solution standard substance CAS No.: Molecular Formula:
Product Number:K123339-100ml Mercuric acetate test solution (Chp) Product Name:Mercuric acetate test solution (Chp) CAS No.: Molecular Formula:
Product Number:PCL-2023BZ866 Sulfur solution Product Name:Sulfur solution CAS No.: Molecular Formula:
Product Number:PCL-2021BZ218-500ml Mercuric thiocyanate solution standard substance Product Name:Mercuric thiocyanate solution standard substance CAS No.: Molecular Formula:
Product Number:PCL-2021BZ217-250ml Calcium carbonate solution standard substance Product Name:Calcium carbonate solution standard substance CAS No.: Molecular Formula:
Product Number:PCL-2023ZYBZ001-1.2ml Esculetin solution standard substance Product Name:Esculetin solution standard substance CAS No.: Molecular Formula:
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