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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:121669 Monkey earrings Product Name:Monkey earrings CAS No.:# Molecular Formula:
Product Number:100742 Nicergoline Product Name:Nicergoline CAS No.:100742-N/A Molecular Formula:
Product Number:360020 Artemisia absinthium pollen allergen (W6)-specific IgE antibody serum national reference material Product Name:Artemisia absinthium pollen allergen (W6)-specific IgE antibody serum national reference material CAS No.:# Molecular Formula:
Product Number:121663 Duckweed Product Name:Duckweed CAS No.:# Molecular Formula:
Product Number:121660 Bullseye Maple Product Name:Bullseye Maple CAS No.:# Molecular Formula:
Product Number:360021 National reference material for the determination of the potency of anti-C (IgM) blood grouping reagents Product Name:National reference material for the determination of the potency of anti-C (IgM) blood grouping reagents CAS No.:# Molecular Formula:
Product Number:121661 The mycoplasm of Sophora japonica Product Name:The mycoplasm of Sophora japonica CAS No.:# Molecular Formula:
Product Number:100749 Esmolol hydrochloride Product Name:Esmolol hydrochloride CAS No.:81161-17-3 Molecular Formula:
Product Number:100748 Midazapril hydrochloride Product Name:Midazapril hydrochloride CAS No.:100748-N/A Molecular Formula:
Product Number:121664 Polygonum officinale Product Name:Polygonum officinale CAS No.:# Molecular Formula:
Product Number:100747 Vincamine Product Name:Vincamine CAS No.:1617-90-9 Molecular Formula:
Product Number:PCL-#-Tr001-1g Amanita Product Name:Amanita CAS No.:#### Molecular Formula:
Product Number:PCL-#-Ep101-1g Ephedra root Product Name:Ephedra root CAS No.:#### Molecular Formula:
Product Number:190228 Polyethylene Glycol 13000 Product Name:Polyethylene Glycol 13000 CAS No.:N/A Molecular Formula:
Product Number:190229 Polyethylene Glycol 10000 Product Name:Polyethylene Glycol 10000 CAS No.:N/A Molecular Formula:
Product Number:360017 National reference material for the determination of the potency of anti-D (IgM) blood grouping reagents Product Name:National reference material for the determination of the potency of anti-D (IgM) blood grouping reagents CAS No.:# Molecular Formula:
Product Number:100734 Metronidazole benzoate Product Name:Metronidazole benzoate CAS No.:100734-N/A Molecular Formula:
Product Number:100733 Fenofibrate Product Name:Fenofibrate CAS No.:49562-28-9 Molecular Formula:
Product Number:190211 Palmitoleic acid Product Name:Palmitoleic acid CAS No.:373-49-9 Molecular Formula:
Product Number:360019 Household dust mite allergen-specific IgE antibody serum national reference material Product Name:Household dust mite allergen-specific IgE antibody serum national reference material CAS No.:# Molecular Formula:
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