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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:520011 Diisopentyl phthalate Product Name:Diisopentyl phthalate CAS No.:# Molecular Formula:
Product Number:520003 6-methylcoumarin Product Name:6-methylcoumarin CAS No.:92-48-8 Molecular Formula:
Product Number:520007 bis(2-methoxyethyl) phthalate Product Name:bis(2-methoxyethyl) phthalate CAS No.:# Molecular Formula:
Product Number:520008 di-n-propyl phthalate Product Name:di-n-propyl phthalate CAS No.:# Molecular Formula:
Product Number:520009 di-n-butyl phthalate Product Name:di-n-butyl phthalate CAS No.:# Molecular Formula:
Product Number:100399 Camptothecin hydrobromide Product Name:Camptothecin hydrobromide CAS No.:100399-N/A Molecular Formula:
Product Number:520001 N,N-Desmethyl sibutramine hydrochloride Product Name:N,N-Desmethyl sibutramine hydrochloride CAS No.:# Molecular Formula:
Product Number:100398 Danthenequinone Product Name:Danthenequinone CAS No.:100398-N/A Molecular Formula:
Product Number:520002 N-monodemethyl sibutramine hydrochloride Product Name:N-monodemethyl sibutramine hydrochloride CAS No.:# Molecular Formula:
Product Number:140653~140656 Molecular weight standards for thymopeptides Product Name:Molecular weight standards for thymopeptides CAS No.:# Molecular Formula:
Product Number:520031 Saccharin sodium Product Name:Saccharin sodium CAS No.:128-44-9 Molecular Formula:
Product Number:520033 Melamine Product Name:Melamine CAS No.:108-78-1 Molecular Formula:
Product Number:100031 trimethoprim Product Name:trimethoprim CAS No.:738-70-5 Molecular Formula:
Product Number:520027 Orlistat Product Name:Orlistat CAS No.:96829-58-2 Molecular Formula:
Product Number:PCL-#-S949-20mg lycopene Product Name:lycopene CAS No.:592-95-0 Molecular Formula:
Product Number:135051 benzalkonium bromide Product Name:benzalkonium bromide CAS No.:7281-04-1 Molecular Formula:
Product Number:520024 Yohimbine hydrochloride Product Name:Yohimbine hydrochloride CAS No.:65-19-0 Molecular Formula:
Product Number:160001 stainless steel cylinder Product Name:stainless steel cylinder CAS No.:# Molecular Formula:
Product Number:520014 di-n-hexyl phthalate Product Name:di-n-hexyl phthalate CAS No.:# Molecular Formula:
Product Number:160006 Bacterial endotoxin test water (cartridge) Product Name:Bacterial endotoxin test water (cartridge) CAS No.:# Molecular Formula:
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