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-2023BZ104-50ml		Product Name:Sodium single element solution standard material 50ml	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ493-100ml		Product Name:Calcium single element solution standard material （100ug/ml）	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023BZ008-100mL		Product Name:Calcium single element solution standard material (1000mg/L；matrix：1% Hydrochloric Acid )	CAS No.:N/A	Molecular Formula:
Product Number:BW013003		Product Name:Potassium Hydrogen Phthalate PH Buffer Solution Standard Material	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023BZ661-5ml		Product Name:Naphthalene-methanol solution standard material [solution standard material for liquid chromatography calibration](1.00x10-4g/mL(100μg/mL))	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2021BZ044-5ml		Product Name:Naphthalene-methanol solution standard material [solution standard material for liquid chromatography calibration](1.00x10-7g/mL(0.1μg/mL))	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ662-3ml		Product Name:Naphthalene-methanol solution standard material	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023BZ666-5ml		Product Name:Cholesterol-methanol solution standard material [solution standard material for liquid chromatography calibration] ((2.00x10-4g/mL(200μg/mL)))	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023BZ665-5ml		Product Name:Cholesterol-methanol solution standard material [solution standard material for liquid chromatography calibration] ((5.00x10-6g/mL(5μg/mL)))	CAS No.:N/A	Molecular Formula:
Product Number:GBW(E)120065		Product Name:Formazine Turbidity Standard	CAS No.:N/A	Molecular Formula:
Product Number:GSB 04-2834-2011		Product Name:Iodide ion (iodide) standard solution	CAS No.:I-	Molecular Formula:
Product Number:PCL-2021BZ156-500ml		Product Name:Boron single element solution standard material	CAS No.:N/A	Molecular Formula:
Product Number:GBW(E)081621		Product Name:Sulfate solution standard material	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ361-100ml		Product Name:Sulfur standard solution 100ml	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ351-500ml		Product Name:Sulfur standard solution 500ml	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023BZ1026		Product Name:Sulfide	CAS No.:	Molecular Formula:
Product Number:PCL-2021BZ010-50ml		Product Name:Selenium single element solution standard material 50ml	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2021BZ010-250ml		Product Name:Selenium single element solution standard material 250ml	CAS No.:N/A	Molecular Formula:
Product Number:GSB04-1714-2004		Product Name:Arsenic standard solution (1000ug/ml )	CAS No.:N/A	Molecular Formula:
Product Number:GSB04-1714- 2004		Product Name:Arsenic standard solution (1000ug/ml Matrix :1.0mol/L Nitric Acid)	CAS No.:N/A	Molecular Formula:

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