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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:100163 Ranitidine hydrochloride Product Name:Ranitidine hydrochloride CAS No.:66357-59-3 Molecular Formula:
Product Number:100162 Fluphenazine hydrochloride Product Name:Fluphenazine hydrochloride CAS No.:100162-N/A Molecular Formula:
Product Number:100161 Diltiazem hydrochloride Product Name:Diltiazem hydrochloride CAS No.:100161-N/A Molecular Formula:
Product Number:100160 Promethazine hydrochloride Product Name:Promethazine hydrochloride CAS No.:100160-N/A Molecular Formula:
Product Number:100189 Methyldopa Product Name:Methyldopa CAS No.:100189-N/A Molecular Formula:
Product Number:100188 Cyclopentothiazide Product Name:Cyclopentothiazide CAS No.:100188-N/A Molecular Formula:
Product Number:100190 mefenamic acid Product Name:mefenamic acid CAS No.:61-68-7 Molecular Formula:
Product Number:100198 Naproxen Product Name:Naproxen CAS No.:100198-N/A Molecular Formula:
Product Number:100197 Azathioprine Product Name:Azathioprine CAS No.:100197-N/A Molecular Formula:
Product Number:100195 Chlorthalidone Product Name:Chlorthalidone CAS No.:100195-N/A Molecular Formula:
Product Number:100194 Potassium iodide Product Name:Potassium iodide CAS No.:7681-11-0 Molecular Formula:
Product Number:100193 Spironolactone Product Name:Spironolactone CAS No.:52-01-7 Molecular Formula:
Product Number:100192 biphenyl dibenzoate Product Name:biphenyl dibenzoate CAS No.:73536-69-3 Molecular Formula:
Product Number:100178 Pyrazinamide Product Name:Pyrazinamide CAS No.:98-96-4 Molecular Formula:
Product Number:100177 Piroxicam Product Name:Piroxicam CAS No.:36322-90-4 Molecular Formula:
Product Number:PCL-#-Di576-100mg 2,6-dimethylphenol Product Name:2,6-dimethylphenol CAS No.:576-26-1 Molecular Formula:
Product Number:PCL-#-C1278-20mg Curcumol Product Name:Curcumol CAS No.:4871-97-0 Molecular Formula:
Product Number:PCL-#-D582-20mg Dihydroartemisinin Product Name:Dihydroartemisinin CAS No.:71939-50-9 Molecular Formula:
Product Number:PCL-#-Cd301-250mg Chlorhexidine acetate Product Name:Chlorhexidine acetate CAS No.:56-95-1 Molecular Formula:
Product Number:PCL-#-E1455-1000mg estradiol Product Name:estradiol CAS No.:53-16-7 Molecular Formula:
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