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:100422	Product Name:Isoprinosine hydrochloride	CAS No.:58-33-3	Molecular Formula:
Product Number:PCL-#-Di358-25mg	Product Name:Dimethyl maleate	CAS No.:624-48-6	Molecular Formula:
Product Number:PCL-#-Cs03-250mg	Product Name:cefotaxime sodium	CAS No.:64485-93-4	Molecular Formula:
Product Number:PCL-#-Pr001-50mg	Product Name:Propofol impurity B	CAS No.:2215-21-6	Molecular Formula:
Product Number:PCL-#-Bz0354-50mg	Product Name:Pabciclib starting material 1 impurity B	CAS No.:1415560-29-0	Molecular Formula:
Product Number:PCL-#-Ch078-25mg	Product Name:2-[1-(4-Chlorophenyl)-ethyl]-pyridine (Impurity T)	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-Ro001-100mg	Product Name:Rotigotine impurity B	CAS No.:101470-23-9	Molecular Formula:
Product Number:100318	Product Name:Captopril	CAS No.:62571-86-2	Molecular Formula:
Product Number:PCL-#-Fl009-100mg	Product Name:Fmoc-D-Arginine (Fmoc-D-Arg-OH)	CAS No.:130752-32-8	Molecular Formula:
Product Number:PCL-#-Chp0155-50mg	Product Name:Erythromycin impurity I	CAS No.:546-57-6	Molecular Formula:
Product Number:PCL-#-Az538-10mg	Product Name:Azithromycin impurity T	CAS No.:2095879-65-3	Molecular Formula:
Product Number:PCL-#-Bz0200-50mg	Product Name:5-Carboxytolterodine	CAS No.:1076199-77-3	Molecular Formula:
Product Number:PCL-#-Dl100-50mg	Product Name:(S)-5-(Aminomethyl)-3-(3-fluoro-4-morpholinophenyl)-2-azolidinone	CAS No.:168828-90-8	Molecular Formula:
Product Number:PCL-#-Di045-100mg	Product Name:Naloxone hydrochloride impurityⅠ(-)-4,5α-epoxy-3,14-dihydroxymorphinan-6-one	CAS No.:33522-95-1	Molecular Formula:
Product Number:PCL-#-Am0979-25mg	Product Name:Amoxicillin impurity L	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-Di0022-50mg	Product Name:Methyl 2,6-dichlorophenylacetate	CAS No.:54551-83-6	Molecular Formula:
Product Number:PCL-#-Ac003-25mg	Product Name:Acyclovir EP impurity A	CAS No.:102728-64-3	Molecular Formula:
Product Number:PCL-#-Bz0067-50mg	Product Name:Atorvastatin impurity 2	CAS No.:125995-03-1	Molecular Formula:
Product Number:100619	Product Name:Naglenay	CAS No.:100619-N/A	Molecular Formula:
Product Number:PCL-#-Az531-10mg	Product Name:Azithromycin impurity E	CAS No.:612069-27-9	Molecular Formula:

Products