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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:PCL-#-I165-20mg Irinotecan hydrochloride Product Name:Irinotecan hydrochloride CAS No.:100286-90-6 Molecular Formula:
Product Number:100766 Teniposide precursor Product Name:Teniposide precursor CAS No.:100766-N/A Molecular Formula:
Product Number:100765 Teniposide Product Name:Teniposide CAS No.:100765-N/A Molecular Formula:
Product Number:100764 Dipivefrine hydrochloride precursor [(±)3,4-dihydroxy-2'-methylaminoacetophenone-3,4-dipivalate perchlorate] Product Name:Dipivefrine hydrochloride precursor [(±)3,4-dihydroxy-2'-methylaminoacetophenone-3,4-dipivalate perchlorate] CAS No.:100764-N/A Molecular Formula:
Product Number:100763 Dipivefrine hydrochloride Product Name:Dipivefrine hydrochloride CAS No.:100763-N/A Molecular Formula:
Product Number:100762 isocyclophosphamide compound III Product Name:isocyclophosphamide compound III CAS No.:100762-N/A Molecular Formula:
Product Number:100760 omeprazole sodium Product Name:omeprazole sodium CAS No.:95510-70-6 Molecular Formula:
Product Number:121684 Tian Xian Vine Product Name:Tian Xian Vine CAS No.:# Molecular Formula:
Product Number:121685 Quercus serrata (Quercus serrata) Product Name:Quercus serrata (Quercus serrata) CAS No.:# Molecular Formula:
Product Number:121682 Trident Bitterness Product Name:Trident Bitterness CAS No.:# Molecular Formula:
Product Number:121683 Castor beans Product Name:Castor beans CAS No.:# Molecular Formula:
Product Number:121688 Bamboo leaf pepper root Product Name:Bamboo leaf pepper root CAS No.:# Molecular Formula:
Product Number:121689 The Great Ubao Product Name:The Great Ubao CAS No.:# Molecular Formula:
Product Number:121686 Saffron Gentian Product Name:Saffron Gentian CAS No.:# Molecular Formula:
Product Number:100769 Penciclovir Product Name:Penciclovir CAS No.:100769-N/A Molecular Formula:
Product Number:121687 Saltbush Product Name:Saltbush CAS No.:# Molecular Formula:
Product Number:100768 Benadryl hydrochloride Product Name:Benadryl hydrochloride CAS No.:100768-N/A Molecular Formula:
Product Number:121691 Mandragora leaves Product Name:Mandragora leaves CAS No.:# Molecular Formula:
Product Number:121692 Zingiber officinale (beautiful beardtongue) Product Name:Zingiber officinale (beautiful beardtongue) CAS No.:# Molecular Formula:
Product Number:121690 endive Product Name:endive CAS No.:# Molecular Formula:
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