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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: Sulfadimethoxine Product Name:Sulfadimethoxine CAS No.:122-11-2 Molecular Formula:
Product Number:100097 Anisic acid Product Name:Anisic acid CAS No.:100097-N/A Molecular Formula:
Product Number:100094 ▲ acetanilide Product Name:▲ acetanilide CAS No.:103-84-4 Molecular Formula:
Product Number:100078 bile acids Product Name:bile acids CAS No.:100078-N/A Molecular Formula:
Product Number:171239 Naloxone hydrochloride Product Name:Naloxone hydrochloride CAS No.:357-08-4 Molecular Formula:
Product Number:171237 Pseudoephedrine hydrochloride Product Name:Pseudoephedrine hydrochloride CAS No.:# Molecular Formula:
Product Number:PCL-#-Ru064-100mg Rutin Product Name:Rutin CAS No.:153-18-4 Molecular Formula:
Product Number:PCL-#-Ca030-50mg calcium sulfate dihydrate Product Name:calcium sulfate dihydrate CAS No.:10101-41-4 Molecular Formula:
Product Number:100088 Clomid Product Name:Clomid CAS No.:483-63-6 Molecular Formula:
Product Number:112069 (25R)-Spirostan-4-ene-3,12-dione (Tribulus terrestris sapogenins) Product Name:(25R)-Spirostan-4-ene-3,12-dione (Tribulus terrestris sapogenins) CAS No.:6875-60-1 Molecular Formula:
Product Number:PCL-#-Ha489-20mg porcine deoxycholic acid Product Name:porcine deoxycholic acid CAS No.:83-49-8 Molecular Formula:
Product Number:100086 Nitrofuran acrylic acid Product Name:Nitrofuran acrylic acid CAS No.:100086-N/A Molecular Formula:
Product Number:100084 Metoprolol tartrate Product Name:Metoprolol tartrate CAS No.:56392-17-7 Molecular Formula:
Product Number:PCL-#-Cg203-50mg Calcium gluconate Product Name:Calcium gluconate CAS No.:299-28-5 Molecular Formula:
Product Number:PCL-#-Qu117-20mg Quercetin Product Name:Quercetin CAS No.:117-39-5 Molecular Formula:
Product Number:PCL-#-Ph006-20mg opium poppy hydrochloride Product Name:opium poppy hydrochloride CAS No.:61-25-6 Molecular Formula:
Product Number:171215 ■Caffeine Product Name:■Caffeine CAS No.:58-08-2 Molecular Formula:
Product Number:171264 Pentafluridol Product Name:Pentafluridol CAS No.:26864-56-2 Molecular Formula:
Product Number:100049 ■Scopolamine hydrobromide Product Name:■Scopolamine hydrobromide CAS No.:114-49-8 Molecular Formula:
Product Number:101379 Ramipril Impurity IV (Ramipril Diketopiperazine) Product Name:Ramipril Impurity IV (Ramipril Diketopiperazine) CAS No.:101379-N/A Molecular Formula:
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