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-2021BZ216-500ml		Product Name:Galacturonic acid solution standard substance	CAS No.:	Molecular Formula:
Product Number:PCL-2023RY040-500ml		Product Name:Sodium tungstate-sodium molybdate mixed solution	CAS No.:	Molecular Formula:
Product Number:PCL-2023RY039-50ml		Product Name:2,4-Dinitrophenol saturated solution	CAS No.:	Molecular Formula:
Product Number:PCL-2021RY070-500ml		Product Name:Bromine water	CAS No.:	Molecular Formula:
Product Number:PCL-2021RY068-500ml		Product Name:Chlorine water	CAS No.:	Molecular Formula:
Product Number:PCL-2021RY065-60ml		Product Name:Iodine solution	CAS No.:	Molecular Formula:
Product Number:PCL-2021RY064-500ml		Product Name:Chromatography fluid	CAS No.:	Molecular Formula:
Product Number:PCL-2021BZ215-500ml		Product Name:Gentian Violet Solution Standard Substance	CAS No.:	Molecular Formula:
Product Number:PCL-2023RY038-100ml		Product Name:Sulfuric acid standard solution	CAS No.:	Molecular Formula:
Product Number:PCL-2023RY037-500mL		Product Name:Potassium nitrate standard solution	CAS No.:	Molecular Formula:
Product Number:PCL-2023RY036-90ml		Product Name:Imidazole dilution	CAS No.:	Molecular Formula:
Product Number:PCL-2023RY034-1L		Product Name:Absorption solution (silver nitrate colorimetric method for hydrogen sulfide)	CAS No.:	Molecular Formula:
Product Number:PCL-2023RY032-500ml		Product Name:Manganese and its compounds digestion solution	CAS No.:	Molecular Formula:
Product Number:PCL-2025RY029-100ml		Product Name:Mercuric chloride solution	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ1038		Product Name:chloride	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ1070-20ml		Product Name:Sulfate (measured in sulfur)	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ1077-2ml		Product Name:Carbon Tetrachloride Solution in Methanol Standard Substance	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ1076-1ml		Product Name:Carbon Tetrachloride Solution in Methanol Standard Substance 1ml	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ1076-2ml		Product Name:Carbon Tetrachloride Solution in Methanol Standard Substance 2ml	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ1069-50ml		Product Name:Sulfate (measured in sulfur) 50ml	CAS No.:	Molecular Formula:

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