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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-2023BZ617-500ml Sodium sulfide standard solution Product Name:Sodium sulfide standard solution CAS No.: Molecular Formula:
Product Number:PCL-LS876-100ml Phosphate solution in water Product Name:Phosphate solution in water CAS No.: Molecular Formula:
Product Number:PCL-2021BZ151-100ml 10% Hexamethylenetetramine solution Product Name:10% Hexamethylenetetramine solution CAS No.: Molecular Formula:
Product Number:PCL-2023SY006-100ml Folin phenol test solution (solution B) Product Name:Folin phenol test solution (solution B) CAS No.: Molecular Formula:
Product Number:PCL-2021RY011-500ml Diphenylamine sulfuric acid solution Product Name:Diphenylamine sulfuric acid solution CAS No.: Molecular Formula:
Product Number:PCL-2021RY010-1L p-Aminobenzenesulfonamide dilute hydrochloric acid solution Product Name:p-Aminobenzenesulfonamide dilute hydrochloric acid solution CAS No.: Molecular Formula:
Product Number:PCL-2021BZ081-200ml Opalescent suspension stock solution (Formazine suspension) Product Name:Opalescent suspension stock solution (Formazine suspension) CAS No.: Molecular Formula:
Product Number:PCL-2021SY216-100ml a-Naphthol ethanol solution Product Name:a-Naphthol ethanol solution CAS No.: Molecular Formula:
Product Number:PCL-2021BZ150-100ml 1-Ethylquinolinium iodide solution Product Name:1-Ethylquinolinium iodide solution CAS No.: Molecular Formula:
Product Number:PCL-2021BZ033-500ml 10% sulfuric acid solution Product Name:10% sulfuric acid solution CAS No.: Molecular Formula:
Product Number:PCL-2021RY053-100ml Acetic acid diluted solution Product Name:Acetic acid diluted solution CAS No.: Molecular Formula:
Product Number:PCL-2020BZ041-100ml Standard phosphate solution Product Name:Standard phosphate solution CAS No.: Molecular Formula:
Product Number:PCL-2021RY052-500ml Mercuric sulfate solution 50ml Product Name:Mercuric sulfate solution 50ml CAS No.: Molecular Formula:
Product Number:PCL-2021RY052-100ml Mercuric sulfate solution 100ml Product Name:Mercuric sulfate solution 100ml CAS No.: Molecular Formula:
Product Number:PCL-2023BZ611-50ml Potassium oxide, sodium oxide and lithium oxide mixed standard Product Name:Potassium oxide, sodium oxide and lithium oxide mixed standard CAS No.: Molecular Formula:
Product Number:PCL-2023BZ610-100ml Polyethylene oxide solution 100ml Product Name:Polyethylene oxide solution 100ml CAS No.: Molecular Formula:
Product Number:PCL-2023BZ610-250ml Polyethylene oxide solution 250ml Product Name:Polyethylene oxide solution 250ml CAS No.: Molecular Formula:
Product Number:R21645 Schaudinn's liquid Product Name:Schaudinn's liquid CAS No.: Molecular Formula:
Product Number:R20568-100ml Hematoxylin staining solution Product Name:Hematoxylin staining solution CAS No.: Molecular Formula:
Product Number:PCL-2023SY003-100ml 2% iron alum solution Product Name:2% iron alum solution CAS No.: Molecular Formula:
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