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:H102969		Product Name:4-Hydroxyacetophenone	CAS No.:99-93-4	Molecular Formula:
Product Number:H108067		Product Name:1,2-Hexanediol	CAS No.:6920-22-5	Molecular Formula:
Product Number:PCL-2025BZ135-2ml		Product Name:2-Chloroethanol solution in water	CAS No.:	Molecular Formula:
Product Number:PCL-2024BZ118-100ml		Product Name:standard solution of periodate	CAS No.:10450-60-9	Molecular Formula:
Product Number:PCL-#-HC030-500ml		Product Name:Tween 20 PBS buffer	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024SW256-5ml		Product Name:Standard substance for caffeine solution in methanol	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024RY166-1ml		Product Name:Vitamin A standard solution	CAS No.:68-26-8	Molecular Formula:
Product Number:PCL-2024BZ257-500ml		Product Name:ethanol solution of hydrochloric acid	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ258-500ml		Product Name:Hydrogen chloride isopropanol solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ492-50ml		Product Name:Silver single element standard substance	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ490-10ml		Product Name:Quality control of fumes in perchloroethylene	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2020HC065-100ml		Product Name:Phthalate standard buffer (PH buffer/PH buffer solution/potassium hydrogen phthalate pH solution standard substance)	CAS No.:N/A	Molecular Formula:
Product Number:GBW(E)086344		Product Name:Sulphuric acid titration solution standard substance	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023BZ007-20ml		Product Name:Hydrogen sulfide solution standard substance	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ093-100ml		Product Name:Potassium single element solution standard, 1000ug/ml Medium: 1% HCl	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024RY621-500ml		Product Name:Neutral ethanol solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2021SY195-100ml		Product Name:Dinitrophenylhydrazine ethanol test solution	CAS No.:	Molecular Formula:
Product Number:PCL-2024RY119-500ml		Product Name:Potassium iodide-methanol solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ093-3ml		Product Name:Phosphoric acid solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ092-3ml		Product Name:Phosphite solution	CAS No.:N/A	Molecular Formula:

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