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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:PCL-#-Se001-100mg Sevoflurane Product Name:Sevoflurane CAS No.:28523-86-6 Molecular Formula:
Product Number:140754 Gonarelin Product Name:Gonarelin CAS No.:# Molecular Formula:
Product Number:101146 N-methylparoxetine Product Name:N-methylparoxetine CAS No.:110429-36-2 Molecular Formula:
Product Number:101145 Desfluromparoxetine Product Name:Desfluromparoxetine CAS No.:101145-N/A Molecular Formula:
Product Number:140750 Prolorelin Product Name:Prolorelin CAS No.:# Molecular Formula:
Product Number:101155 methandrostenolone Product Name:methandrostenolone CAS No.:521-11-9 Molecular Formula:
Product Number:101152 Dimethoate Product Name:Dimethoate CAS No.:101152-N/A Molecular Formula:
Product Number:101151 magnesium valproate Product Name:magnesium valproate CAS No.:62959-43-7 Molecular Formula:
Product Number:101150 4-Hydroxyisophthalic acid Product Name:4-Hydroxyisophthalic acid CAS No.:636-46-4 Molecular Formula:
Product Number:190121 1,6-Anhydro-beta-D-glucose Product Name:1,6-Anhydro-beta-D-glucose CAS No.:498-07-7 Molecular Formula:
Product Number:190127 Dimethylsiloxane 20 Product Name:Dimethylsiloxane 20 CAS No.:# Molecular Formula:
Product Number:190128 Dimethylsiloxane 50 Product Name:Dimethylsiloxane 50 CAS No.:# Molecular Formula:
Product Number:190120 Sucralose Product Name:Sucralose CAS No.:56038-13-2 Molecular Formula:
Product Number:190129 Dimethylsiloxane 100 Product Name:Dimethylsiloxane 100 CAS No.:# Molecular Formula:
Product Number:101100 Cyclohexanediamine dinitrate platinum (for oxaliplatin impurity I) Product Name:Cyclohexanediamine dinitrate platinum (for oxaliplatin impurity I) CAS No.:66900-68-3 Molecular Formula:
Product Number:190112 Triethylene glycol dimethylacetate (triethylene glycol) Product Name:Triethylene glycol dimethylacetate (triethylene glycol) CAS No.:# Molecular Formula:
Product Number:PCL-#-Sa054-100mg Salicylaldehyde acridazine Product Name:Salicylaldehyde acridazine CAS No.:959-36-4 Molecular Formula:
Product Number:190143 Cyclomethicone 5 Product Name:Cyclomethicone 5 CAS No.:# Molecular Formula:
Product Number:190144 Cyclomethicone 6 Product Name:Cyclomethicone 6 CAS No.:# Molecular Formula:
Product Number:101118 Cyclomandelate Product Name:Cyclomandelate CAS No.:101118-N/A Molecular Formula:
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