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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:121511 Hydrangea (Pink Flower Hydrangea) Product Name:Hydrangea (Pink Flower Hydrangea) CAS No.:# Molecular Formula:
Product Number:110867 Tanshinone I Product Name:Tanshinone I CAS No.:568-73-0 Molecular Formula:
Product Number:110866 Ginkgo biloba extract Product Name:Ginkgo biloba extract CAS No.:N/A Molecular Formula:
Product Number:PCL-#-K071-20mg Kaempferitin (Kaempferol) Product Name:Kaempferitin (Kaempferol) CAS No.:520-18-3 Molecular Formula:
Product Number:PCL-#-Is390-20mg Isorhamnetin Product Name:Isorhamnetin CAS No.:480-19-3 Molecular Formula:
Product Number:110863 ※Ginkgolide B Product Name:※Ginkgolide B CAS No.:15291-77-7 Molecular Formula:
Product Number:110862 ※Ginkgolide A Product Name:※Ginkgolide A CAS No.:110862-N/A Molecular Formula:
Product Number:PCL-#-Bi101-20mg White Fruit Lactone Product Name:White Fruit Lactone CAS No.:33570-04-6 Molecular Formula:
Product Number:110864 ※Ginkgolide C Product Name:※Ginkgolide C CAS No.:110864-N/A Molecular Formula:
Product Number:130466 Dextroamprofloxacin Product Name:Dextroamprofloxacin CAS No.:# Molecular Formula:
Product Number:130461 Sparfloxacin Product Name:Sparfloxacin CAS No.:# Molecular Formula:
Product Number:130460 Pazufloxacin Product Name:Pazufloxacin CAS No.:163680-77-1 Molecular Formula:
Product Number:130462 nafloxacin Product Name:nafloxacin CAS No.:# Molecular Formula:
Product Number:PCL-#-D569-20mg protocatechuic acid Product Name:protocatechuic acid CAS No.:99-50-3 Molecular Formula:
Product Number:PCL-#-Ca104-20mg Catalpa Product Name:Catalpa CAS No.:2415-24-9 Molecular Formula:
Product Number:PCL-#-Ru842-20mg Cornuus officinalis Product Name:Cornuus officinalis CAS No.:84-26-4 Molecular Formula:
Product Number:110800 *Lemon bitters (Cornus lactone) Product Name:*Lemon bitters (Cornus lactone) CAS No.:1180-71-8 Molecular Formula:
Product Number:PCL-#-C1126-20mg Toxin base of C. huazenbergii Product Name:Toxin base of C. huazenbergii CAS No.:470-37-1 Molecular Formula:
Product Number:PCL-#-Ev001-20mg Cornusine Product Name:Cornusine CAS No.:518-17-2 Molecular Formula:
Product Number:130458 Flurofloxacin Product Name:Flurofloxacin CAS No.:79660-72-3 Molecular Formula:
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