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-#-Sj320		Product Name:Melamine purity standard sample	CAS No.:100-78-1	Molecular Formula:
Product Number:PCL-2024SW501		Product Name:Florfenicol solution in methanol standard substance	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024SW502		Product Name:Myclobutanil solution in acetone	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-L46		Product Name:L-Carnitine Reference	CAS No.:41-15-1	Molecular Formula:
Product Number:PCL-2023BZ1005-50ml		Product Name:Cadmium standard solution standard substance	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024SW325		Product Name:Zearalenone solution in acetonitrile	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024SW447		Product Name:Flumorph solution in methanol standard substance	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024SW323		Product Name:Mixed solution of seven polychlorinated biphenyls in n-hexane	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024SW446		Product Name:Cyproconazole solution in methanol standard substance	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024SW324		Product Name:Patulin (Patulin) Solution Standard in Acetonitrile	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024SW321		Product Name:β-BHC solution in n-hexane standard substance	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024SW443		Product Name:Hexaconazole solution in methanol standard substance	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024SW322		Product Name:α-BHC solution in n-hexane Standard substance	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024SW440		Product Name:Emamectin benzoate (emamectin benzoate) solution in methanol standard substance	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024SW320		Product Name:γ-Benzene hexachloride (lindane) solution in n-hexane standard substance	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024SW319		Product Name:δ-BHC solution in n-hexane Standard substance	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024SW316		Product Name:Lambda-cyhalothrin solution in n-hexane	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024SW317		Product Name:Procymidone solution in n-hexane standard substance	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024SW435		Product Name:Methylmercury solution in methanol standard substance	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024SW314		Product Name:Cis-Cyperthrin Solution Standard Material in Hexane	CAS No.:N/A	Molecular Formula:

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