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:121749		Product Name:Male silkworm moth (Quercus serrata)	CAS No.:#	Molecular Formula:
Product Number:121740		Product Name:Oyster (Dalian Bay Oyster)	CAS No.:121740-N/A	Molecular Formula:
Product Number:100828		Product Name:Methylprednisolone	CAS No.:100828-N/A	Molecular Formula:
Product Number:100827		Product Name:Methylprednisolone succinate	CAS No.:100827-N/A	Molecular Formula:
Product Number:PCL-#-V1241-20mg		Product Name:Voglibose	CAS No.:83480-29-9	Molecular Formula:
Product Number:121744		Product Name:Iron rod and hammer	CAS No.:#	Molecular Formula:
Product Number:100825		Product Name:Amlodipine mesylate	CAS No.:100825-N/A	Molecular Formula:
Product Number:1821		Product Name:Carcinoembryonic antigen (CEA)	CAS No.:#	Molecular Formula:
Product Number:100824		Product Name:Calcium carbonate	CAS No.:471-34-1	Molecular Formula:
Product Number:100823		Product Name:Naftifine hydrochloride	CAS No.:65473-14-5	Molecular Formula:
Product Number:130641		Product Name:Linezolid R enantiomers	CAS No.:872992-20-6	Molecular Formula:
Product Number:130640		Product Name:Linezolid	CAS No.:165800-03-3	Molecular Formula:
Product Number:1812		Product Name:Estradiol (E2)	CAS No.:#	Molecular Formula:
Product Number:121759		Product Name:Dendrobium (Dendrobium Huoshan)	CAS No.:N/A	Molecular Formula:
Product Number:1813		Product Name:Progesterone (P)	CAS No.:#	Molecular Formula:
Product Number:121757		Product Name:Szechuan Pei Mu (Szechuan Pei Mu)	CAS No.:#	Molecular Formula:
Product Number:1815		Product Name:C-Peptide (C-P)	CAS No.:#	Molecular Formula:
Product Number:1817		Product Name:Human chorionic gonadotropin (hCG)	CAS No.:#	Molecular Formula:
Product Number:1819		Product Name:Testosterone (T)	CAS No.:#	Molecular Formula:
Product Number:100819		Product Name:clopidogrel bisulfate	CAS No.:120202-66-6	Molecular Formula:

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