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-#-Le015-200mg	Product Name:3-(4- (N-hydroxyamino)-1-oxo-1,3-dioxo-2H-isoindolyl)-piperidine-2,6-dione	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-Le010-100mg	Product Name:Methyl 2-chloromethyl-3-nitrobenzoate	CAS No.:1218910- 61-2	Molecular Formula:
Product Number:PCL-#-Le012-100mg	Product Name:4- (4-nitro-1-oxo-1,3-dihydro-2H-isoindolyl)-4-amido-butyric acid	CAS No.:1198299- 72-7	Molecular Formula:
Product Number:PCL-#-Le011-100mg	Product Name:2-(4-nitro-1-oxo-1,3-dihydro-2H-isoindolyl)-4-amido-butyric acid	CAS No.:295357- 73-2	Molecular Formula:
Product Number:PCL-#-Ap012-50mg	Product Name:Ethyl [(4-methoxyphenyl)hydrazinyl]chloroacetate	CAS No.:27143-07-3	Molecular Formula:
Product Number:PCL-#-Ap010-50mg	Product Name:1-(4-nitrophenyl)-2-piperidone	CAS No.:38560-30-4	Molecular Formula:
Product Number:PCL-#-Pr096-50mg	Product Name:Pramipexole Hydrochloride Impurity BII1820BS (Impurity B) Reference Material	CAS No.:1798014-87-5	Molecular Formula:
Product Number:PCL-#-Pr559-100mg	Product Name:Pramipexole impurity SND1117BS	CAS No.:1246818-51-8	Molecular Formula:
Product Number:PCL-#-Tn011-50mg	Product Name:Nicotinamide adenine dinucleotide phosphate (β-nicotinamide adenine dinucleotide phosphate)	CAS No.:53-59-8	Molecular Formula:
Product Number:PCL-#-Al978-25mg	Product Name:Phenoxy-3-methylsulfonylaminoanisole	CAS No.:123664-84-6	Molecular Formula:
Product Number:PCL-#-S0131-10mg	Product Name:Atorvastatin calcium impurity S	CAS No.:1315629-79-8	Molecular Formula:
Product Number:PCL-#-Py015-100mg	Product Name:[Des-Pyr1] treprostinil	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-At011-25mg	Product Name:Atorvastatin epoxypyrrolizine 6-hydroxy analog	CAS No.:1316291-19-6	Molecular Formula:
Product Number:PCL-#-At010-25mg	Product Name:atorvastatin pyrrolidone analogs	CAS No.:148217 -40-7	Molecular Formula:
Product Number:PCL-#-Or010-100mg	Product Name:[Orn8] treprostinil	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-Gl013-100mg	Product Name:[Glu1] treprostinil	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-Ty002-100mg	Product Name:[Des-Tyr5] treprostinil	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-At013-25mg	Product Name:Atorvastatin epoxy tetrahydrofuran analogs	CAS No.:873950-19-7	Molecular Formula:
Product Number:PCL-#-Ep004-50mg	Product Name:Epinastine EP impurity B	CAS No.:1217052-16-8	Molecular Formula:
Product Number:PCL-#-Mo012-50mg	Product Name:Moxifloxacin impurity 29	CAS No.:1620445-12-6	Molecular Formula:

Products