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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:130693 Fluconazole impurity A Product Name:Fluconazole impurity A CAS No.:# Molecular Formula:
Product Number:121703 Monkey head mycelium Product Name:Monkey head mycelium CAS No.:# Molecular Formula:
Product Number:130690 Itraconazole impurity E Product Name:Itraconazole impurity E CAS No.:# Molecular Formula:
Product Number:121701 Ganoderma Lucidum Spores (Akashi) Product Name:Ganoderma Lucidum Spores (Akashi) CAS No.:# Molecular Formula:
Product Number:121700 Fermented Cordyceps Powder (Cs-4) Product Name:Fermented Cordyceps Powder (Cs-4) CAS No.:# Molecular Formula:
Product Number:130689 Itraconazole impurity D Product Name:Itraconazole impurity D CAS No.:# Molecular Formula:
Product Number:130688 Itraconazole impurity C Product Name:Itraconazole impurity C CAS No.:# Molecular Formula:
Product Number:130685 Ketoconazole impurity E Product Name:Ketoconazole impurity E CAS No.:# Molecular Formula:
Product Number:130687 Itraconazole impurity B Product Name:Itraconazole impurity B CAS No.:# Molecular Formula:
Product Number:121709 Persimmon leaves Product Name:Persimmon leaves CAS No.:# Molecular Formula:
Product Number:130686 Itraconazole impurity A Product Name:Itraconazole impurity A CAS No.:# Molecular Formula:
Product Number:130682 Ketoconazole impurity B Product Name:Ketoconazole impurity B CAS No.:# Molecular Formula:
Product Number:121714 Cortex (Cortex Eucommiae) Product Name:Cortex (Cortex Eucommiae) CAS No.:# Molecular Formula:
Product Number:121712 Green leaf gall Product Name:Green leaf gall CAS No.:# Molecular Formula:
Product Number:PCL-#-Cs827-1g Geranium Product Name:Geranium CAS No.:N/A Molecular Formula:
Product Number:130677 Rifadin Product Name:Rifadin CAS No.:# Molecular Formula:
Product Number:130673 Cinnamamide Product Name:Cinnamamide CAS No.:22031-64-7 Molecular Formula:
Product Number:130675 Ethambutol system suitability control Product Name:Ethambutol system suitability control CAS No.:# Molecular Formula:
Product Number:130670 Erythromycin system suitability control Product Name:Erythromycin system suitability control CAS No.:# Molecular Formula:
Product Number:130671 Actinomycin D system suitability control Product Name:Actinomycin D system suitability control CAS No.:# Molecular Formula:
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