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-#-Ri099-20mg	Product Name:4,5 dichloro compound (rivaroxaban impurity 2) rivaroxaban impurity D	CAS No.:1770812-37-7	Molecular Formula:
Product Number:PCL-#-Bz0138-50mg	Product Name:5-amino-1,3-dihydroxytoluene	CAS No.:71176-54-0	Molecular Formula:
Product Number:PCL-#-Li098-25mg	Product Name:Lipoic acid impurity C	CAS No.:462-20-4	Molecular Formula:
Product Number:PCL-#-Do056-25mg	Product Name:Donepezil impurity B	CAS No.:120013-45-8	Molecular Formula:
Product Number:PCL-#-Ni005-100mg	Product Name:N-nitrosodiphenylamine	CAS No.:86-30-6	Molecular Formula:
Product Number:PCL-#-Li012-50mg	Product Name:Lidocaine EP impurity A (2,6-dimethylaniline)	CAS No.:87-62-7	Molecular Formula:
Product Number:PCL-#-To003-100mg	Product Name:Tofacitinib impurity J	CAS No.:2328165-36-0	Molecular Formula:
Product Number:PCL-#-Me017-100mg	Product Name:N-methylaniline	CAS No.:100-61-8	Molecular Formula:
Product Number:PCL-#-Ri026-50mg	Product Name:Rivaroxaban impurity G (5-chlorothiophene-2-carboxamide)	CAS No.:97799-98-9	Molecular Formula:
Product Number:PCL-#-Su0312-50mg	Product Name:Methyl 2-methoxy-5-sulfamoylbenzoate;	CAS No.:33045-52-2	Molecular Formula:
Product Number:PCL-#-Gr101-100mg	Product Name:Granisetron EP impurity C; N-(3-lactam)-9-azabicyclo[3.3.1]non-3-yl-1-methyl-1H-indazole-3-carboxamide	CAS No.:160177-67-3	Molecular Formula:
Product Number:PCL-#-Ii110-25mg	Product Name:Ibuprofen EP impurity M	CAS No.:60057-62-7	Molecular Formula:
Product Number:PCL-#-Ca043-50mg	Product Name:Carbol sulfonate sodium impurity 9	CAS No.:70063-07-9	Molecular Formula:
Product Number:PCL-#-Bz0391-50mg	Product Name:Cefmetazole sodium catabolite II	CAS No.:55817-29-3	Molecular Formula:
Product Number:PCL-#-Et374-50mg	Product Name:Ethyl 2-(1-imidazolyl)acetate	CAS No.:17450-34-9	Molecular Formula:
Product Number:PCL-#-Li003-50mg	Product Name:Linezolid impurity H	CAS No.:333753-69-8	Molecular Formula:
Product Number:PCL-#-Pr025-50mg	Product Name:Pranoprofen impurity I	CAS No.:52549-44-7	Molecular Formula:
Product Number:PCL-#-Ap105-100mg	Product Name:Atropine sulfate impurity G	CAS No.:21956-47-8	Molecular Formula:
Product Number:PCL-#-Bz0122-50mg	Product Name:Terbutaline impurity 6	CAS No.:882066-15-1	Molecular Formula:
Product Number:PCL-#-Az532-25mg	Product Name:Azithromycin EP impurity H; Azithromycin impurity III (impurity H) 3'-N-[[4-(acetylamino)phenyl]sulfonyl]-3'-N-desmethyl azithromycin	CAS No.:612069-30-4	Molecular Formula:

Products