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:PCL-#-Ap005-100mg	Product Name:Apixaban impurity I	CAS No.:1619934-76-7	Molecular Formula:
Product Number:PCL-#-Ra068-25mg	Product Name:Lipoic acid impurity H	CAS No.:728854-75-9	Molecular Formula:
Product Number:PCL-#-Bi439-50mg	Product Name:Bis(2-chloroethyl)amine hydrochloride	CAS No.:821-48-7	Molecular Formula:
Product Number:PCL-#-Ii112-50mg	Product Name:Ibuprofen EP impurity I	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-Chp0019-50mg	Product Name:Dehydroxyinosine impurity II inosine	CAS No.:58-63-9	Molecular Formula:
Product Number:PCL-#-Am0996-15mg	Product Name:Amoxicillin EP Impurity K; Amoxicillin Impurity K	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-Hy705-100mg	Product Name:Linezolid intermediate B impurity 1	CAS No.:250372-11-3	Molecular Formula:
Product Number:430060	Product Name:Rivaroxaban	CAS No.:366789-02-8	Molecular Formula:
Product Number:PCL-#-Bz0127-25mg	Product Name:Doxophylline impurity 1	CAS No.:1429636-74-7	Molecular Formula:
Product Number:PCL-#-Me223-20mg	Product Name:4-Methoxysalicylaldehyde	CAS No.:673-22-3	Molecular Formula:
Product Number:PCL-#-Hy084-50mg	Product Name:6-Hydroxy-3,4-dihydro-2(1H)-quinolone	CAS No.:54197-66-9	Molecular Formula:
Product Number:PCL-#-Bz0288-50mg	Product Name:Ertapenem dimer hydrate A	CAS No.:1199797-43-7	Molecular Formula:
Product Number:PCL-#-Bz0298-50mg	Product Name:Entecavir impurity B	CAS No.:1367369-78-5	Molecular Formula:
Product Number:PCL-#-Chp0160-5mg	Product Name:Erythromycin Impurity D [Erythromycin A Anhydrous]	CAS No.:23893-13-2	Molecular Formula:
Product Number:PCL-#-Bz0323-50mg	Product Name:Terdizolamide phosphate impurity SS	CAS No.:2044712-34-5	Molecular Formula:
Product Number:PCL-#-Di038-100mg	Product Name:2,3-Dihydroxybenzaldehyde	CAS No.:24677-78-9	Molecular Formula:
Product Number:PCL-#-Li011-50mg	Product Name:Lidocaine EP impurity H	CAS No.:1131-01-7	Molecular Formula:
Product Number:PCL-#-Bz0306-50mg	Product Name:Flurbiprofen impurities	CAS No.:64858-90-8	Molecular Formula:
Product Number:PCL-#-Bz0137-50mg	Product Name:tert-Butyl 3-amino-6,6-dimethylpyrrolo[3,4-C]pyrazole-5(1H,4H,6H)-carboxylate	CAS No.:398491-61-7	Molecular Formula:
Product Number:PCL-#-Pe006-20mg	Product Name:Pemetrexed oxidized impurity 1	CAS No.:193281-00-4	Molecular Formula:

Products