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:		Product Name:Fenitrothion	CAS No.:122-14-5	Molecular Formula:
Product Number:		Product Name:Fenhexamid	CAS No.:126833-17-8	Molecular Formula:
Product Number:		Product Name:Fenfuram	CAS No.:24691-80-3	Molecular Formula:
Product Number:		Product Name:Fenbuconazole	CAS No.:114369-43-6	Molecular Formula:
Product Number:		Product Name:Fenazaquin	CAS No.:120928-09-8	Molecular Formula:
Product Number:		Product Name:Fenarimol	CAS No.:60168-88-9	Molecular Formula:
Product Number:		Product Name:Fenamiphos	CAS No.:22224-92-6	Molecular Formula:
Product Number:		Product Name:Fenamidone	CAS No.:161326-34-7	Molecular Formula:
Product Number:		Product Name:Famphur	CAS No.:52-85-7	Molecular Formula:
Product Number:		Product Name:Famoxadone	CAS No.:131807-57-3	Molecular Formula:
Product Number:		Product Name:Etrimfos	CAS No.:38260-54-7	Molecular Formula:
Product Number:		Product Name:Etofenprox	CAS No.:80844-07-1	Molecular Formula:
Product Number:		Product Name:Ethoxysulfuron	CAS No.:126801-58-9	Molecular Formula:
Product Number:		Product Name:Ethoxyquin	CAS No.:91-53-2	Molecular Formula:
Product Number:		Product Name:Ethoprophos	CAS No.:13194-48-4	Molecular Formula:
Product Number:		Product Name:Ethofumesate	CAS No.:26225-79-6	Molecular Formula:
Product Number:		Product Name:Ethirimol	CAS No.:23947-60-6	Molecular Formula:
Product Number:		Product Name:Ethiprole	CAS No.:181587-01-9	Molecular Formula:
Product Number:		Product Name:Ethion	CAS No.:563-12-2	Molecular Formula:
Product Number:		Product Name:Ethiofencarb-sulfoxide	CAS No.:53380-22-6	Molecular Formula:

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