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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:171320 Escitalopram oxalate impurity IV Product Name:Escitalopram oxalate impurity IV CAS No.:1332724-03-4 Molecular Formula:
Product Number:171321 Escitalopram oxalate impurity II Product Name:Escitalopram oxalate impurity II CAS No.:1440961-11-4 Molecular Formula:
Product Number:CMCC(B)52204 Yersinia enterocolitica small intestine 52204 Product Name:Yersinia enterocolitica small intestine 52204 CAS No.:# Molecular Formula:
Product Number:171322 Escitalopram oxalate impurity A Product Name:Escitalopram oxalate impurity A CAS No.:64372-56-1 Molecular Formula:
Product Number:171323 Lacosamide Product Name:Lacosamide CAS No.:N/A Molecular Formula:
Product Number:171324 Lacosamide S-isomer Product Name:Lacosamide S-isomer CAS No.:N/A Molecular Formula:
Product Number:PCL-#-Am673-100mg Amaranthine red Product Name:Amaranthine red CAS No.:915-67-3 Molecular Formula:
Product Number:510003 Temptation Red Product Name:Temptation Red CAS No.:25956-17-6 Molecular Formula:
Product Number:510001 haematogenin hydrochloride Product Name:haematogenin hydrochloride CAS No.:# Molecular Formula:
Product Number:510009 Triamcinolone diacetate Product Name:Triamcinolone diacetate CAS No.:# Molecular Formula:
Product Number:510006 Flumethasone Product Name:Flumethasone CAS No.:# Molecular Formula:
Product Number:510007 Beclomethasone Product Name:Beclomethasone CAS No.:# Molecular Formula:
Product Number:K01934-100g Lemon Yellow Product Name:Lemon Yellow CAS No.:1934-21-0 Molecular Formula:
Product Number:PCL-#-Fy220-20mg Sundown Yellow Product Name:Sundown Yellow CAS No.:2783-94-0 Molecular Formula:
Product Number:510013 Betamethasone acetate Product Name:Betamethasone acetate CAS No.:# Molecular Formula:
Product Number:510014 Fluorometholone acetate Product Name:Fluorometholone acetate CAS No.:# Molecular Formula:
Product Number:510011 Devcoat Product Name:Devcoat CAS No.:# Molecular Formula:
Product Number:510012 Methylprednisolone acetate Product Name:Methylprednisolone acetate CAS No.:# Molecular Formula:
Product Number:510010 Fluorometholone Product Name:Fluorometholone CAS No.:426-13-1 Molecular Formula:
Product Number:100169 Norepinephrine Bitartrate Product Name:Norepinephrine Bitartrate CAS No.:69815-49-2 Molecular Formula:
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