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-2023SY008-200ml		Product Name:Thioacetamide TS-A	CAS No.:	Molecular Formula:
Product Number:PCL-2021RY056-100ml		Product Name:Mercury dichloride column treatment liquid (mercury dichloride saturated benzene solution)	CAS No.:	Molecular Formula:
Product Number:PCL-2021BZ154-100ml		Product Name:Nitrite standard solution in water	CAS No.:	Molecular Formula:
Product Number:PCL-2023RY012-1L		Product Name:Hydrofluoric acid solution	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ1050-100ml		Product Name:Nitrate standard solution	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ975-20ml		Product Name:Standard nitrate stock solution	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ619-1ml		Product Name:Diisononyl phthalate (single isomer) standard solution in dichloromethane	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ662-1.2ml		Product Name:4-Nonylphenol-D8 solution in methanol standard substance	CAS No.:	Molecular Formula:
Product Number:PCL-2023RY017-250ml		Product Name:Sodium hydroxide titration solution standard substance	CAS No.:	Molecular Formula:
Product Number:P002611-100ml		Product Name:Tetramethylammonium hydroxide solution	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ661-1ml		Product Name:Naphthalene-methanol standard solution [solution standard substance for liquid chromatography calibration]	CAS No.:	Molecular Formula:
Product Number:PCL-2021BZ153-100ml		Product Name:Nitrate ion standard solution	CAS No.:	Molecular Formula:
Product Number:PCL-2021BZ152-100ml		Product Name:Nitrite ion standard solution	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ967-500ml		Product Name:Fluoride standard solution	CAS No.:	Molecular Formula:
Product Number:PCL-2023RY015-1L		Product Name:Fuchsin sulfite solution	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ617-500ml		Product Name:Sodium sulfide standard solution	CAS No.:	Molecular Formula:
Product Number:PCL-LS876-100ml		Product Name:Phosphate solution in water	CAS No.:	Molecular Formula:
Product Number:PCL-2021BZ151-100ml		Product Name:10% Hexamethylenetetramine solution	CAS No.:	Molecular Formula:
Product Number:PCL-2023SY006-100ml		Product Name:Folin phenol test solution (solution B)	CAS No.:	Molecular Formula:
Product Number:PCL-2021RY011-500ml		Product Name:Diphenylamine sulfuric acid solution	CAS No.:	Molecular Formula:

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