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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 Image Product Name CAS No. Molecular Formula
Product Number:140736 4'-hydroxyphenylacetic acid Product Name:4'-hydroxyphenylacetic acid CAS No.:156-38-7 Molecular Formula:
Product Number:140735 5'-cytidylic acid Product Name:5'-cytidylic acid CAS No.:63-37-6 Molecular Formula:
Product Number:510149 Trazodone hydrochloride impurity E Product Name:Trazodone hydrochloride impurity E CAS No.:# Molecular Formula:
Product Number:140734 Calcitonin salmon Product Name:Calcitonin salmon CAS No.:# Molecular Formula:
Product Number:140733 Asparaginase (Irwinia) Product Name:Asparaginase (Irwinia) CAS No.:# Molecular Formula:
Product Number:510147 Trazodone hydrochloride impurity C Product Name:Trazodone hydrochloride impurity C CAS No.:# Molecular Formula:
Product Number:140732 Mentholase (Eich) Product Name:Mentholase (Eich) CAS No.:# Molecular Formula:
Product Number:510148 Trazodone hydrochloride impurity D Product Name:Trazodone hydrochloride impurity D CAS No.:# Molecular Formula:
Product Number:140731 Yureklin Product Name:Yureklin CAS No.:# Molecular Formula:
Product Number:101167 Furacilinum Product Name:Furacilinum CAS No.:59-87-0 Molecular Formula:
Product Number:190190 Ethylenediaminetetraacetic acid (edetate) Product Name:Ethylenediaminetetraacetic acid (edetate) CAS No.:# Molecular Formula:
Product Number:140730 Octreotide acetate Product Name:Octreotide acetate CAS No.:# Molecular Formula:
Product Number:PCL-#-Tr212-1ml Tridecane Product Name:Tridecane CAS No.:629-50-5 Molecular Formula:
Product Number:190192 dibutyl ether Product Name:dibutyl ether CAS No.:# Molecular Formula:
Product Number:34036083-0923 sodium polystyrene sulfonate Product Name:sodium polystyrene sulfonate CAS No.:25704-18-1 Molecular Formula:
Product Number:71958-100mg butyl acetate Product Name:butyl acetate CAS No.:123-86-4 Molecular Formula:
Product Number:190197 vinyl acetate Product Name:vinyl acetate CAS No.:108-05-4 Molecular Formula:
Product Number:510156 Clozapine impurity A Product Name:Clozapine impurity A CAS No.:# Molecular Formula:
Product Number:510157 Clozapine impurity B Product Name:Clozapine impurity B CAS No.:# Molecular Formula:
Product Number:PCL-#-C740-20mg Colchicine Product Name:Colchicine CAS No.:64-86-8 Molecular Formula:
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