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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:121582 Naked purple beads Product Name:Naked purple beads CAS No.:# Molecular Formula:
Product Number:PCL-#-Ne115-1g Lotus Roots Product Name:Lotus Roots CAS No.:#### Molecular Formula:
Product Number:130498 Penicillamine Product Name:Penicillamine CAS No.:# Molecular Formula:
Product Number:130497 Tetracycline impurity control Product Name:Tetracycline impurity control CAS No.:# Molecular Formula:
Product Number:130499 Metacycline Product Name:Metacycline CAS No.:# Molecular Formula:
Product Number:130496 Rifampicin Product Name:Rifampicin CAS No.:13292-46-1 Molecular Formula:
Product Number:130490 Penicillin V Product Name:Penicillin V CAS No.:132-98-9 Molecular Formula:
Product Number:100667 Etodolac Product Name:Etodolac CAS No.:100667-N/A Molecular Formula:
Product Number:100666 Docetaxel Product Name:Docetaxel CAS No.:100666-N/A Molecular Formula:
Product Number:130491 Sultamicillin Product Name:Sultamicillin CAS No.:# Molecular Formula:
Product Number:100665 Guanosine hydrochloride Product Name:Guanosine hydrochloride CAS No.:100665-N/A Molecular Formula:
Product Number:PCL-#-Me145-10mg Metformin hydrochloride Product Name:Metformin hydrochloride CAS No.:1115-70-4 Molecular Formula:
Product Number:100663 Clonoxicam Product Name:Clonoxicam CAS No.:70374-39-9 Molecular Formula:
Product Number:100662 Ramosetron hydrochloride Product Name:Ramosetron hydrochloride CAS No.:132907-72-3 Molecular Formula:
Product Number:121585 Golden Earwax (Yellow Earwax) Product Name:Golden Earwax (Yellow Earwax) CAS No.:# Molecular Formula:
Product Number:121586 Ginseng stem and leaves Product Name:Ginseng stem and leaves CAS No.:# Molecular Formula:
Product Number:121583 Lamb's ear chrysanthemum Product Name:Lamb's ear chrysanthemum CAS No.:# Molecular Formula:
Product Number:PCL-#-Ap100-5g The skin of the great belly Product Name:The skin of the great belly CAS No.:#### Molecular Formula:
Product Number:121589 Envoy (Envoy Jen) Product Name:Envoy (Envoy Jen) CAS No.:# Molecular Formula:
Product Number:PCL-#Ge965-1g Mealybugs Product Name:Mealybugs CAS No.:#### Molecular Formula:
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