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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: Imidacloprid Product Name:Imidacloprid CAS No.:138261-41-3 Molecular Formula:
Product Number: Imazosulfuron Product Name:Imazosulfuron CAS No.:122548-33-8 Molecular Formula:
Product Number: Imazaquin Product Name:Imazaquin CAS No.:81335-37-7 Molecular Formula:
Product Number: Imazapyr Product Name:Imazapyr CAS No.:81334-34-1 Molecular Formula:
Product Number: Imazalil Product Name:Imazalil CAS No.:35554-44-0 Molecular Formula:
Product Number: Hexythiazox Product Name:Hexythiazox CAS No.:78587-05-0 Molecular Formula:
Product Number: Hexazinone Product Name:Hexazinone CAS No.:51235-04-2 Molecular Formula:
Product Number: Hexaconazol Product Name:Hexaconazol CAS No.:79983-71-4 Molecular Formula:
Product Number: Heptenophos Product Name:Heptenophos CAS No.:23560-59-0 Molecular Formula:
Product Number: Haloxyfop methyl ester Product Name:Haloxyfop methyl ester CAS No.:69806-40-2 Molecular Formula:
Product Number: Haloxyfop-2-ethoxyethyl Product Name:Haloxyfop-2-ethoxyethyl CAS No.:87237-48-7 Molecular Formula:
Product Number: Haloxyfop Product Name:Haloxyfop CAS No.:69806-34-4 Molecular Formula:
Product Number: Halosulfuron-methyl Product Name:Halosulfuron-methyl CAS No.:100784-20-1 Molecular Formula:
Product Number: Halofenozide Product Name:Halofenozide CAS No.:112226-61-6 Molecular Formula:
Product Number: Furmecyclox Product Name:Furmecyclox CAS No.:60568-05-0 Molecular Formula:
Product Number: Furathiocarb Product Name:Furathiocarb CAS No.:65907-30-4 Molecular Formula:
Product Number: Furametpyr Product Name:Furametpyr CAS No.:123572-88-3 Molecular Formula:
Product Number: Fuberidazole Product Name:Fuberidazole CAS No.:3878-19-1 Molecular Formula:
Product Number: Fosthiazate Product Name:Fosthiazate CAS No.:98886-44-3 Molecular Formula:
Product Number: Forchlorfenuron Product Name:Forchlorfenuron CAS No.:68157-60-8 Molecular Formula:
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