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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:121393 Lockjaw Product Name:Lockjaw CAS No.:# Molecular Formula:
Product Number:100472 Tolterol hydrochloride Product Name:Tolterol hydrochloride CAS No.:100472-N/A Molecular Formula:
Product Number:100471 Bromopropyltargetine Product Name:Bromopropyltargetine CAS No.:100471-N/A Molecular Formula:
Product Number:100470 limonene Product Name:limonene CAS No.:100470-N/A Molecular Formula:
Product Number:100458 Thiopental impurity B [Methyl 2-methoxy-5-methylsulfonylbenzoate]. Product Name:Thiopental impurity B [Methyl 2-methoxy-5-methylsulfonylbenzoate]. CAS No.:100458-N/A Molecular Formula:
Product Number:100457 Thiopili impurity A [2-methoxy-5-methylsulfonylbenzoic acid]. Product Name:Thiopili impurity A [2-methoxy-5-methylsulfonylbenzoic acid]. CAS No.:100457-N/A Molecular Formula:
Product Number:100455 Dumiphene Product Name:Dumiphene CAS No.:538-71-6 Molecular Formula:
Product Number:100454 Benzocaine Product Name:Benzocaine CAS No.:100454-N/A Molecular Formula:
Product Number:CMCC(B)50115 Salmonella typhimurium 50115 Product Name:Salmonella typhimurium 50115 CAS No.:# Molecular Formula:
Product Number:100453 Hydroberberine sulfate Product Name:Hydroberberine sulfate CAS No.:100453-N/A Molecular Formula:
Product Number:121398 Da Hong Pao Product Name:Da Hong Pao CAS No.:# Molecular Formula:
Product Number:121399 Horse urine blisters Product Name:Horse urine blisters CAS No.:# Molecular Formula:
Product Number:121396 Sideburn leaves Product Name:Sideburn leaves CAS No.:# Molecular Formula:
Product Number:121397 catechu Product Name:catechu CAS No.:# Molecular Formula:
Product Number:PCL-#-Ch690-100mg Chlorpromazine hydrochloride Product Name:Chlorpromazine hydrochloride CAS No.:69-09-0 Molecular Formula:
Product Number:100525 Isopropylantipyrine Product Name:Isopropylantipyrine CAS No.:100525-N/A Molecular Formula:
Product Number:100524 Levomethomidine hydrochloride (Dexmedetomidine hydrochloride R isomer) Product Name:Levomethomidine hydrochloride (Dexmedetomidine hydrochloride R isomer) CAS No.:100524-N/A Molecular Formula:
Product Number:121448 earthwort Product Name:earthwort CAS No.:# Molecular Formula:
Product Number:100523 Dexmedetomidine hydrochloride Product Name:Dexmedetomidine hydrochloride CAS No.:100523-N/A Molecular Formula:
Product Number:100522 ipratropium bromide Product Name:ipratropium bromide CAS No.:100522-N/A Molecular Formula:
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