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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-2023BZ1071-20ml Sulfate (measured in sulfur) 20ml Product Name:Sulfate (measured in sulfur) 20ml CAS No.: Molecular Formula:
Product Number:PCL-2023BZ1078-1ml Methyl chloride standard solution in methanol Product Name:Methyl chloride standard solution in methanol CAS No.: Molecular Formula:
Product Number:PCL-2023BZ1099-50ml Nitrate nitrogen (as nitrogen) Product Name:Nitrate nitrogen (as nitrogen) CAS No.: Molecular Formula:
Product Number:PCL-2023BZ1075-2ml Chloroform solution in methanol standard substance Product Name:Chloroform solution in methanol standard substance CAS No.: Molecular Formula:
Product Number:PCL-2023RY022-500ml Fehling's reagent B Product Name:Fehling's reagent B CAS No.: Molecular Formula:
Product Number:PCL-2023RY021-500ml Fehling's reagent A Product Name:Fehling's reagent A CAS No.: Molecular Formula:
Product Number:PCL-2023BZ1054-2ml Acetaldehyde solution in water Product Name:Acetaldehyde solution in water CAS No.: Molecular Formula:
Product Number:PCL-2023BZ1053-100mL Holmium Perchlorate Solution Product Name:Holmium Perchlorate Solution CAS No.: Molecular Formula:
Product Number:PCL-2023SY010-500mL Nessler's reagent (mercuric chloride-potassium iodide-potassium hydroxide solution) Product Name:Nessler's reagent (mercuric chloride-potassium iodide-potassium hydroxide solution) CAS No.: Molecular Formula:
Product Number:PCL-2023SY011-100ml Nessler's reagent Product Name:Nessler's reagent CAS No.: Molecular Formula:
Product Number:PCL-2023SY010-100mL Nessler's reagent (mercuric chloride-potassium iodide-potassium hydroxide solution) Product Name:Nessler's reagent (mercuric chloride-potassium iodide-potassium hydroxide solution) CAS No.: Molecular Formula:
Product Number:PCL-2024SY002-100mL Nessler's reagent (mercuric chloride-potassium iodide-sodium hydroxide solution) Product Name:Nessler's reagent (mercuric chloride-potassium iodide-sodium hydroxide solution) CAS No.: Molecular Formula:
Product Number:PCL-2021RY061-500ml Potassium sulfide solution Product Name:Potassium sulfide solution CAS No.: Molecular Formula:
Product Number:PCL-2021RY060-100ml Chloroacetic acid solution standard substance Product Name:Chloroacetic acid solution standard substance CAS No.: Molecular Formula:
Product Number:PCL-2021RY059-100ml Oxalate solution standard substance Product Name:Oxalate solution standard substance CAS No.: Molecular Formula:
Product Number:PCL--2021RY058--100ml Formic acid solution standard material Product Name:Formic acid solution standard material CAS No.: Molecular Formula:
Product Number:PCL-2021RY057-100ml Acetic acid solution standard substance Product Name:Acetic acid solution standard substance CAS No.: Molecular Formula:
Product Number:PCL-2025SY011-100ml Lactose standard solution Product Name:Lactose standard solution CAS No.: Molecular Formula:
Product Number:PCL-2023BZ901-50mL Nitrite standard stock solution Product Name:Nitrite standard stock solution CAS No.: Molecular Formula:
Product Number:PCL-2021BZ155-1ml Nitrobenzene solution in ethanol Standard substance Product Name:Nitrobenzene solution in ethanol Standard substance CAS No.: Molecular Formula:
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