Hengyuan Fine Chemical | Reference Materials and Standards | 50,000+ Ready-to-Ship, High-Precision Solutions

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	Product Name	CAS No.	Molecular Formula
Product Number:101349	Product Name:Reference substance for suitability of troxerutin system	CAS No.:101349-N/A	Molecular Formula:
Product Number:PCL-#-Ac010-20mg	Product Name:Acetaminophen	CAS No.:103-90-2	Molecular Formula:
Product Number:101348	Product Name:diosmin	CAS No.:520-27-4	Molecular Formula:
Product Number:100017	Product Name:para aminobenzoic acid	CAS No.:150-13-0	Molecular Formula:
Product Number:101347	Product Name:Levornidazole impurity Ⅲ(1-(2,3- dihydroxypropyl) -2- methyl -5- nitroimidazole))	CAS No.:101347-N/A	Molecular Formula:
Product Number:100016	Product Name:dexamethasone sodium phosphate	CAS No.:55203-24-2	Molecular Formula:
Product Number:100015	Product Name:* ▲ Digoxin	CAS No.:20830-75-5	Molecular Formula:
Product Number:101346	Product Name:Levornidazole impurity Ⅱ[1-(2,3- epoxypropyl) -2- methyl -5- nitroimidazole]	CAS No.:101346-N/A	Molecular Formula:
Product Number:112010	Product Name:Brilliant blue	CAS No.:3844-45-9	Molecular Formula:
Product Number:101345	Product Name:4-ethylcatechol	CAS No.:1124-39-6	Molecular Formula:
Product Number:101344	Product Name:Levohydroxypropylpiperazine impurity (glycidol)	CAS No.:101344-N/A	Molecular Formula:
Product Number:100013	Product Name:Hydrocortisone acetate	CAS No.:50-03-3	Molecular Formula:
Product Number:101343	Product Name:Levohydroxypropylpiperazine impurity (phenylpiperazine)	CAS No.:101343-N/A	Molecular Formula:
Product Number:100012	Product Name:Prednisone acetate	CAS No.:100012-N/A	Molecular Formula:
Product Number:101353	Product Name:Indomethacin impurity II (4-chlorobenzoic acid)	CAS No.:101353-N/A	Molecular Formula:
Product Number:100022	Product Name:Gronethium bromide	CAS No.:100022-N/A	Molecular Formula:
Product Number:PCL-#-D717-20mg	Product Name:Demethoxycurcumin	CAS No.:22608-11-3	Molecular Formula:
Product Number:101352	Product Name:Indomethacin impurity I (2-methyl-5-methoxy-1H-indole-3-acetic acid)	CAS No.:101352-N/A	Molecular Formula:
Product Number:100021	Product Name:Pantothenic acid	CAS No.:50978-11-5	Molecular Formula:
Product Number:PCL-#-Bi002-20mg	Product Name:Bisdemethoxycurcumin	CAS No.:33171-05-0	Molecular Formula:

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