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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: Fenvalerate (free acid) Product Name:Fenvalerate (free acid) CAS No.:2012-74-0 Molecular Formula:
Product Number: Etoxazole Product Name:Etoxazole CAS No.:153233-91-1 Molecular Formula:
Product Number: Ethalfluralin Product Name:Ethalfluralin CAS No.:55283-68-6 Molecular Formula:
Product Number: Esfenvalerate Product Name:Esfenvalerate CAS No.:66230-04-4 Molecular Formula:
Product Number: Dinotefuran in Acetonitrile Product Name:Dinotefuran in Acetonitrile CAS No.:165252-70-0 Molecular Formula:
Product Number: Dinocap Product Name:Dinocap CAS No.:39300-45-3 Molecular Formula:
Product Number: Diflufenican Product Name:Diflufenican CAS No.:83164-33-4 Molecular Formula:
Product Number: Diclofop-methyl Product Name:Diclofop-methyl CAS No.:51338-27-3 Molecular Formula:
Product Number: cis-1,3-Dichloropropene Product Name:cis-1,3-Dichloropropene CAS No.:10061-01-5 Molecular Formula:
Product Number: Dichlormid Product Name:Dichlormid CAS No.:37764-25-3 Molecular Formula:
Product Number: Dichlorprop Product Name:Dichlorprop CAS No.:120-36-5 Molecular Formula:
Product Number: Dicamba Product Name:Dicamba CAS No.:1918-00-9 Molecular Formula:
Product Number: Cyprosulfamide Product Name:Cyprosulfamide CAS No.:221667-31-8 Molecular Formula:
Product Number: Cyhalothrin Product Name:Cyhalothrin CAS No.:68085-85-8 Molecular Formula:
Product Number: Cyhalofop-butyl Product Name:Cyhalofop-butyl CAS No.:122008-85-9 Molecular Formula:
Product Number: Cyflumetofen Product Name:Cyflumetofen CAS No.:400882-07-7 Molecular Formula:
Product Number: Chlorthal-dimethyl Product Name:Chlorthal-dimethyl CAS No.:1861-32-1 Molecular Formula:
Product Number: Chlorfenapyr Product Name:Chlorfenapyr CAS No.:122453-73-0 Molecular Formula:
Product Number: Bromoxynil Product Name:Bromoxynil CAS No.:1689-84-5 Molecular Formula:
Product Number: Bromopropylate Product Name:Bromopropylate CAS No.:18181-80-1 Molecular Formula:
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