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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-2024BZ468-500ml Neutralizing solution for the determination of the acid value of petroleum Product Name:Neutralizing solution for the determination of the acid value of petroleum CAS No.: Molecular Formula:
Product Number:PCL-2024SW342-9ml Liquid moisture content standard substance Product Name:Liquid moisture content standard substance CAS No.: Molecular Formula:
Product Number:PCL-2024DD082-500ml Sulfuric acid titrant Product Name:Sulfuric acid titrant CAS No.:M/A Molecular Formula:
Product Number:PCL-2024DD317-500ml Sodium methanol titration solution, standard Product Name:Sodium methanol titration solution, standard CAS No.:N/A Molecular Formula:
Product Number:PCL-2024DD129-1000ml Potassium hydroxide titrant standardized in ethanol Product Name:Potassium hydroxide titrant standardized in ethanol CAS No.:N/A Molecular Formula:
Product Number:PCL-2020DD100-1L EDTA ethylenediaminetetraacetic acid disodium salt titration solution reference material Product Name:EDTA ethylenediaminetetraacetic acid disodium salt titration solution reference material CAS No.:6381-92-6 Molecular Formula:
Product Number:PCL-2024DD090-500mL ammonium persulfate titration solution Product Name:ammonium persulfate titration solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2024DD168-500ml reference material for sodium hydroxide titration solution made from methanol Product Name:reference material for sodium hydroxide titration solution made from methanol CAS No.:N/A Molecular Formula:
Product Number:PCL-2024DD258-500ml Potassium arsenite titrant Product Name:Potassium arsenite titrant CAS No.:N/A Molecular Formula:
Product Number:PCL-2021BSY078-100ml platinum-cobalt standard colorimetric solution Product Name:platinum-cobalt standard colorimetric solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2020DD059 Iodine titration solution Product Name:Iodine titration solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2024SY456-100ml Sodium Methanol Titration Solution Product Name:Sodium Methanol Titration Solution CAS No.: Molecular Formula:
Product Number:PCL-2024DD134-500ml standard solution of ammonium acetate Product Name:standard solution of ammonium acetate CAS No.:N/A Molecular Formula:
Product Number:PCL-2024DD034-500ml Sulfuric acid titration solution Product Name:Sulfuric acid titration solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2024DD116-500ml Hydrochloric acid titration solution Product Name:Hydrochloric acid titration solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2020DD001 Sodium hydroxide titration solution Product Name:Sodium hydroxide titration solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2020DD097-500ml reference materials for titrimetric solutions of copper sulphate Product Name:reference materials for titrimetric solutions of copper sulphate CAS No.:N/A Molecular Formula:
Product Number:PCL-2024DD015-500ml Titanium(III) trichloride titration solution reference material Product Name:Titanium(III) trichloride titration solution reference material CAS No.:7705-07-9 Molecular Formula:
Product Number:PCL-204DD225-500ml Calcium nitrate titration solution reference material Product Name:Calcium nitrate titration solution reference material CAS No.:N/A Molecular Formula:
Product Number:PCL-2020DD205-500ml reference material of disodium ethylenediaminetetraacetic acid standard titration solution Product Name:reference material of disodium ethylenediaminetetraacetic acid standard titration solution CAS No.:6381-92-6 Molecular Formula:
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