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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: Bispyribac sodium Product Name:Bispyribac sodium CAS No.:125401-92-5 Molecular Formula:
Product Number: Ametoctradin Product Name:Ametoctradin CAS No.:865318-97-4 Molecular Formula:
Product Number: 1-Naphthaleneacetic acid Product Name:1-Naphthaleneacetic acid CAS No.:86-87-3 Molecular Formula:
Product Number: Acetochlor Product Name:Acetochlor CAS No.:34256-82-1 Molecular Formula:
Product Number: Acequinocyl Product Name:Acequinocyl CAS No.:57960-19-7 Molecular Formula:
Product Number: 2.4-D-iso-octyl ester Product Name:2.4-D-iso-octyl ester CAS No.:25168-26-7 Molecular Formula:
Product Number: Zoxamide Product Name:Zoxamide CAS No.:156052-68-5 Molecular Formula:
Product Number: Vernolate Product Name:Vernolate CAS No.:1929-77-7 Molecular Formula:
Product Number: Vamidothion Product Name:Vamidothion CAS No.:2275-23-2 Molecular Formula:
Product Number: Tritosulfuron Product Name:Tritosulfuron CAS No.:142469-14-5 Molecular Formula:
Product Number: Triticonazole Product Name:Triticonazole CAS No.:131983-72-7 Molecular Formula:
Product Number: Triflumuron Product Name:Triflumuron CAS No.:64628-44-0 Molecular Formula:
Product Number: Trifloxystrobin Product Name:Trifloxystrobin CAS No.:141517-21-7 Molecular Formula:
Product Number: Trietazine Product Name:Trietazine CAS No.:1912-26-1 Molecular Formula:
Product Number: Tricyclazole Product Name:Tricyclazole CAS No.:41814-78-2 Molecular Formula:
Product Number: Trichlorfon Product Name:Trichlorfon CAS No.:52-68-6 Molecular Formula:
Product Number: Tribenuron-methyl Product Name:Tribenuron-methyl CAS No.:101200-48-0 Molecular Formula:
Product Number: Triazophos Product Name:Triazophos CAS No.:24017-47-8 Molecular Formula:
Product Number: Triflusulfuron-methyl Product Name:Triflusulfuron-methyl CAS No.:126535-15-7 Molecular Formula:
Product Number: Triasulfuron Product Name:Triasulfuron CAS No.:82097-50-5 Molecular Formula:
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