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.

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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-2024DD118-500ml		Product Name:Ceric ammonium sulfate titrimetric solution standard substance	CAS No.:18923-36-9	Molecular Formula:
Product Number:PCL-2024SW184-500ml		Product Name:Standard substance of diuron solution	CAS No.:108-19-0	Molecular Formula:
Product Number:T124771-25g		Product Name:tetraheptylammonium bromide	CAS No.:4368-51-8	Molecular Formula:
Product Number:K016027-250ml		Product Name:Tetrabutylammonium hydroxide solution, 10% (solvent: H2O)	CAS No.:2052-49-5	Molecular Formula:
Product Number:PCL-2024RY532-500ml		Product Name:Ferring's Reagent (B Liquid)	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024RY531-500ml		Product Name:Ferring's Reagent (Liquid A)	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2025BZ127-500ml		Product Name:Zinc acetate standard solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023SY125-500ml		Product Name:Perchloric acid-ethanol solution	CAS No.:	Molecular Formula:
Product Number:PCL-KF003-10mL		Product Name:Karl Fischer moisture analysis standards	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ510-50ml		Product Name:Standard solution of potassium hydrogen phthalate	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024DD117-500ml		Product Name:Ferrous sulfate titration solution standard substance	CAS No.:N/A	Molecular Formula:
Product Number:E156236-5ml		Product Name:2-ethyl-1-hexene	CAS No.:1632-16-2	Molecular Formula:
Product Number:PCL-2024BZ350-100ml		Product Name:standard lead reservoirs	CAS No.:N/A	Molecular Formula:
Product Number:B110382-100g		Product Name:Biphenyl	CAS No.:92-52-4	Molecular Formula:
Product Number:P299474-25ml		Product Name:Phenyl lithium	CAS No.:591-51-5	Molecular Formula:
Product Number:PCL-2024BZ509-2ml		Product Name:Standard substance for acrylic acid solution in water	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ189-50ml		Product Name:Standard substance for total hardness solution in water	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-BG029-100ml		Product Name:Platinum-cobalt standard solution, 9 deg	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-BG028-100ml		Product Name:Platinum-cobalt standard solution, 8 deg	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-BG027-100ml		Product Name:platinum-cobalt standard solution, 7 deg	CAS No.:N/A	Molecular Formula:

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