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.

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Product Number	Product Name	CAS No.	Molecular Formula
Product Number:510160	Product Name:Venlafaxine hydrochloride impurity F,	CAS No.:93413-79-7	Molecular Formula:
Product Number:PCL-#-Pr101-50mg	Product Name:Pramipexole hydrochloride impurity BI-II786BS (impurity I)	CAS No.:1244656-98-1	Molecular Formula:
Product Number:PCL-#-Ca100-50mg	Product Name:3-chloropropionic acid	CAS No.:107-94-8	Molecular Formula:
Product Number:PCL-#-Bz0019-50mg	Product Name:Lipoic acid impurity 16	CAS No.:1071-71-2	Molecular Formula:
Product Number:PCL-#-Di140-100mg	Product Name:2,3-Dichlorobenzoyl cyanide	CAS No.:77668-42-9	Molecular Formula:
Product Number:PCL-#-Fl002-50mg	Product Name:9-Fluorenemethanol (Fmoc-OH)	CAS No.:24324-17-2	Molecular Formula:
Product Number:100153	Product Name:Prednisolone	CAS No.:50-24-8	Molecular Formula:
Product Number:PCL-#-Ch104-50mg	Product Name:4-chlorobenzyl chloride, p-chlorobenzyl chloride	CAS No.:104-83-6	Molecular Formula:
Product Number:PCL-#-To016-100mg	Product Name:Ethyl 3-{4-methyl-3-[methyl-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-amino]-piperidin-1-yl]-3-oxopropanoate (Tofacitinib impurity K)	CAS No.:1675248-18-6	Molecular Formula:
Product Number:PCL-#-Pi109-20mg	Product Name:Pantoprazole EP impurity E (dimer)	CAS No.:2115779-15-0	Molecular Formula:
Product Number:PCL-#-Bz0005-50mg	Product Name:Lidocaine impurity D	CAS No.:7728-40-7	Molecular Formula:
Product Number:PCL-#-Ch016-50mg	Product Name:Chlorpheniramine maleate impurity D	CAS No.:65676-21-3	Molecular Formula:
Product Number:PCL-#-Bz0303-50mg	Product Name:Entecavir Impurity 09	CAS No.:1333204-93-5	Molecular Formula:
Product Number:PCL-#-Se0826-50mg	Product Name:Aminourea hydrochloride	CAS No.:563-41-7	Molecular Formula:
Product Number:PCL-#-Fl010-50mg	Product Name:Fmoc-D-leucine	CAS No.:114360-54-2	Molecular Formula:
Product Number:PCL-#-Tr012-100mg	Product Name:2,3,3-Trimethyl-3H-benzo[g]indole	CAS No.:74470-85-2	Molecular Formula:
Product Number:PCL-#-Bz0278-50mg	Product Name:Erlotinib Impurity EL-5-109	CAS No.:1001416-73-4	Molecular Formula:
Product Number:PCL-#-Bz0117-50mg	Product Name:Terbutaline impurity 1	CAS No.:28924-21-2	Molecular Formula:
Product Number:PCL-#-Ri010-1g	Product Name:Ribavirin impurity F	CAS No.:58151-87-4	Molecular Formula:
Product Number:PCL-#-Am0356-50mg	Product Name:4-Aminopyridine	CAS No.:504-24-5	Molecular Formula:

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