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-#-Im282-100mg	Product Name:Impurity 5 (Rafenacin impurity 12)	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-Im281-100mg	Product Name:Rafenacin impurity 4	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-Ca168-100mg	Product Name:Rafenacin Impurity 3	CAS No.:1682660-39-4	Molecular Formula:
Product Number:PCL-#-Zv909-100mg	Product Name:Rafenacin Impurity 1	CAS No.:909800-36-8	Molecular Formula:
Product Number:PCL-#-Di0391-100mg	Product Name:o-phenylenediamine	CAS No.:95-54-5	Molecular Formula:
Product Number:PCL-#-Nm108-100mg	Product Name:1-[[3-Methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]methyl]-2 - [[[3-methyl-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]methyl]thio]-1H-benzimidazole	CAS No.:108310027-9	Molecular Formula:
Product Number:PCL-#-Ch152-100mg	Product Name:4-Chloro-2-chloromethyl-3-methylpyridine hydrochloride	CAS No.:152402-97-6	Molecular Formula:
Product Number:PCL-#-Br051-100mg	Product Name:Epiripizole BPZ-12 impurity	CAS No.:1886188-97-1	Molecular Formula:
Product Number:PCL-#-Ti236-1g	Product Name:Stannous chloride	CAS No.:7772-99-8	Molecular Formula:
Product Number:PCL-#-Ms131-50mg	Product Name:M1-3	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-Ms121-50mg	Product Name:M1-2	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-Ms461-50mg	Product Name:M4-6	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-Ms451-50mg	Product Name:M4-5	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-Ms351-50mg	Product Name:M3-5	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-Ms341-50mg	Product Name:M3-4	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-Ms270-50mg	Product Name:M3-3	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-Ch106-50mg	Product Name:4-chloroaniline	CAS No.:106-47-8	Molecular Formula:
Product Number:PCL-#-Hl100-50mg	Product Name:4-nitrochlorobenzene	CAS No.:100-00-5	Molecular Formula:
Product Number:PCL-#-Am497-50mg	Product Name:2-Amino-3,4-dimethoxyacetophenone	CAS No.:49701-79-3	Molecular Formula:
Product Number:PCL-#-Am40-50mg	Product Name:2'-Amino-4',5'-dimethoxyacetophenone	CAS No.:4101-30-8	Molecular Formula:

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