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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:101039 Iodinol impurityⅠ Product Name:Iodinol impurityⅠ CAS No.:101039-N/A Molecular Formula:
Product Number:101038 2-amino-4-chlorophenol Product Name:2-amino-4-chlorophenol CAS No.:95-85-2 Molecular Formula:
Product Number:101037 Loratadine carbamoylated (Desloratadine Impurity F) Product Name:Loratadine carbamoylated (Desloratadine Impurity F) CAS No.:117810-61-4 Molecular Formula:
Product Number:101036 Loratadine citrate Product Name:Loratadine citrate CAS No.:101036-N/A Molecular Formula:
Product Number:101035 butylphthalide Product Name:butylphthalide CAS No.:6066-49-5 Molecular Formula:
Product Number:101045 Letrozole Product Name:Letrozole CAS No.:101045-N/A Molecular Formula:
Product Number:101044 bicyclic alcohol Product Name:bicyclic alcohol CAS No.:101044-N/A Molecular Formula:
Product Number:101041 Levocanidin Product Name:Levocanidin CAS No.:101041-N/A Molecular Formula:
Product Number:101040 Iohexol impurity III Product Name:Iohexol impurity III CAS No.:101040-N/A Molecular Formula:
Product Number:140637 Dextran molecular weight standards (set) Product Name:Dextran molecular weight standards (set) CAS No.:# Molecular Formula:
Product Number:140636 Recombinant human growth hormone monomer-dimer Product Name:Recombinant human growth hormone monomer-dimer CAS No.:# Molecular Formula:
Product Number:101028 Rosuvastatin calcium Product Name:Rosuvastatin calcium CAS No.:147098-20-2 Molecular Formula:
Product Number:140635 Recombinant human growth hormone Product Name:Recombinant human growth hormone CAS No.:# Molecular Formula:
Product Number:101027 Propacetamol hydrochloride Product Name:Propacetamol hydrochloride CAS No.:66532-86-3 Molecular Formula:
Product Number:140634 Recombinant human insulin monomer-dimer Product Name:Recombinant human insulin monomer-dimer CAS No.:# Molecular Formula:
Product Number:140633 Recombinant human insulin* Product Name:Recombinant human insulin* CAS No.:11061-68-0 Molecular Formula:
Product Number:101025 Elamod Product Name:Elamod CAS No.:101025-N/A Molecular Formula:
Product Number:140632 Cystine Product Name:Cystine CAS No.:56-89-3 Molecular Formula:
Product Number:PCL-#-G789-20mg Guanine Product Name:Guanine CAS No.:73-40-5 Molecular Formula:
Product Number:140630 Acyclovir Product Name:Acyclovir CAS No.:59277-89-3 Molecular Formula:
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