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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: Methoprotryne Product Name:Methoprotryne CAS No.:841-06-5 Molecular Formula:
Product Number: Methomyl Product Name:Methomyl CAS No.:16752-77-5 Molecular Formula:
Product Number: Methiocarb-sulfoxide Product Name:Methiocarb-sulfoxide CAS No.:268728 Molecular Formula:
Product Number: Methiocarb-sulfone Product Name:Methiocarb-sulfone CAS No.:2179-25-1 Molecular Formula:
Product Number: Methiocarb  Product Name:Methiocarb  CAS No.:2032-65-7 Molecular Formula:
Product Number: Methidathion Product Name:Methidathion CAS No.:950-37-8 Molecular Formula:
Product Number: Methfuroxam Product Name:Methfuroxam CAS No.:28730-17-8 Molecular Formula:
Product Number: Methamidophos Product Name:Methamidophos CAS No.:10265-92-6 Molecular Formula:
Product Number: Methacrifos Product Name:Methacrifos CAS No.:62610-77-9 Molecular Formula:
Product Number: Methabenzthiazuron Product Name:Methabenzthiazuron CAS No.:18691-97-9 Molecular Formula:
Product Number: Metconazole Product Name:Metconazole CAS No.:125116-23-6 Molecular Formula:
Product Number: Metazachlor Product Name:Metazachlor CAS No.:67129-08-2 Molecular Formula:
Product Number: Metamitron Product Name:Metamitron CAS No.:41394-05-2 Molecular Formula:
Product Number: Metalaxyl Product Name:Metalaxyl CAS No.:57837-19-1 Molecular Formula:
Product Number: Mesotrione Product Name:Mesotrione CAS No.:104206-82-8 Molecular Formula:
Product Number: Mesosulfuron-methyl Product Name:Mesosulfuron-methyl CAS No.:208465-21-8 Molecular Formula:
Product Number: Mepronil Product Name:Mepronil CAS No.:55814-41-0 Molecular Formula:
Product Number: Mepanipyrim Product Name:Mepanipyrim CAS No.:110235-47-7 Molecular Formula:
Product Number: Mefenacet Product Name:Mefenacet CAS No.:73250-68-7 Molecular Formula:
Product Number: Mecarbam Product Name:Mecarbam CAS No.:2595-54-2 Molecular Formula:
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