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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: Bentazone Product Name:Bentazone CAS No.:25057-89-0 Molecular Formula:
Product Number: Bensulide Product Name:Bensulide CAS No.:741-58-2 Molecular Formula:
Product Number: Bensulfuron-methyl Product Name:Bensulfuron-methyl CAS No.:83055-99-6 Molecular Formula:
Product Number: Benomyl Product Name:Benomyl CAS No.:17804-35-2 Molecular Formula:
Product Number: Benfuresate Product Name:Benfuresate CAS No.:68505-69-1 Molecular Formula:
Product Number: Benfuracarb Product Name:Benfuracarb CAS No.:82560-54-1 Molecular Formula:
Product Number: Benfluralin Product Name:Benfluralin CAS No.:1861-40-1 Molecular Formula:
Product Number: Bendiocarb Product Name:Bendiocarb CAS No.:22781-23-3 Molecular Formula:
Product Number: Benalaxyl Product Name:Benalaxyl CAS No.:71626-11-4 Molecular Formula:
Product Number: Azoxystrobin Product Name:Azoxystrobin CAS No.:131860-33-8 Molecular Formula:
Product Number: Aziprotryne Product Name:Aziprotryne CAS No.:4658-28-0 Molecular Formula:
Product Number: Azinphos-methyl Product Name:Azinphos-methyl CAS No.:86-50-0 Molecular Formula:
Product Number: Azinophosethyl Product Name:Azinophosethyl CAS No.:2642-71-9 Molecular Formula:
Product Number: Azimsulfuron Product Name:Azimsulfuron CAS No.:120162-55-2 Molecular Formula:
Product Number: Azamethiphos Product Name:Azamethiphos CAS No.:35575-96-3 Molecular Formula:
Product Number: Azafenidin Product Name:Azafenidin CAS No.:68049-83-2 Molecular Formula:
Product Number: Azaconazole Product Name:Azaconazole CAS No.:60207-31-0 Molecular Formula:
Product Number: Atrazine-desisopropyl Product Name:Atrazine-desisopropyl CAS No.:1007-28-9 Molecular Formula:
Product Number: Atrazine-desethyl Product Name:Atrazine-desethyl CAS No.:6190-65-4 Molecular Formula:
Product Number: Atrazine Product Name:Atrazine CAS No.:1912-24-9 Molecular Formula:
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