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.

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Hengyuan Fine Chemical—where precision becomes a habit and trust becomes a bond.

Product Number	Image	Product Name	CAS No.	Molecular Formula
Product Number:100234		Product Name:Cyclophosphamide	CAS No.:50-18-0	Molecular Formula:
Product Number:100232		Product Name:Ciclopiroxamine	CAS No.:100232-N/A	Molecular Formula:
Product Number:121178		Product Name:Melonty	CAS No.:#	Molecular Formula:
Product Number:121179		Product Name:Spider Scent	CAS No.:#	Molecular Formula:
Product Number:121176		Product Name:Jennings	CAS No.:#	Molecular Formula:
Product Number:PCL-#-IR101-1g		Product Name:Slate	CAS No.:####	Molecular Formula:
Product Number:121181		Product Name:Red Dulcimer	CAS No.:#	Molecular Formula:
Product Number:121182		Product Name:Ascophyllum (Xing'an Ascophyllum)	CAS No.:#	Molecular Formula:
Product Number:121180		Product Name:Radix Rehmanniae Praeparata (Raw Radix Rehmanniae Praeparata)	CAS No.:#	Molecular Formula:
Product Number:121185		Product Name:Psoralea vulgaris (Bilateral Juniperus communis)	CAS No.:#	Molecular Formula:
Product Number:121186		Product Name:Benzoin	CAS No.:119-53-9	Molecular Formula:
Product Number:121183		Product Name:Ophiopogon albicans	CAS No.:#	Molecular Formula:
Product Number:121184		Product Name:Piper betel (Juniperus communis)	CAS No.:121184-N/A	Molecular Formula:
Product Number:100242		Product Name:Testosterone undecanoate	CAS No.:5949-55-0	Molecular Formula:
Product Number:100269		Product Name:Gliclazide	CAS No.:21187-98-4	Molecular Formula:
Product Number:100268		Product Name:β-elemene	CAS No.:515-13-9	Molecular Formula:
Product Number:100266		Product Name:Hydroxyzine hydrochloride	CAS No.:100266-N/A	Molecular Formula:
Product Number:100265		Product Name:Betahistine hydrochloride	CAS No.:5579-84-0	Molecular Formula:
Product Number:121189		Product Name:The Vexing Fairy	CAS No.:#	Molecular Formula:
Product Number:121187		Product Name:Moneywort	CAS No.:#	Molecular Formula:

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