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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:100349 Amitriptyline dimethylsulfonate Product Name:Amitriptyline dimethylsulfonate CAS No.:100349-N/A Molecular Formula:
Product Number:100348 7-Methoxy-4'-hydroxyisoflavone (soybean sapogenins impurity) Product Name:7-Methoxy-4'-hydroxyisoflavone (soybean sapogenins impurity) CAS No.:486-63-5 Molecular Formula:
Product Number:PCL-#-D817-20mg soybean glycosides Product Name:soybean glycosides CAS No.:552-66-9 Molecular Formula:
Product Number:PCL-#-So002-50mg Sodium heptaphylloside Product Name:Sodium heptaphylloside CAS No.:20977-05-3 Molecular Formula:
Product Number:430050 Tegretol Product Name:Tegretol CAS No.:274693-27-5 Molecular Formula:
Product Number:100345 Carteolol hydrochloride Product Name:Carteolol hydrochloride CAS No.:100345-N/A Molecular Formula:
Product Number:100343 Tolazoline hydrochloride Product Name:Tolazoline hydrochloride CAS No.:100343-N/A Molecular Formula:
Product Number:121266 Brother King Product Name:Brother King CAS No.:# Molecular Formula:
Product Number:121267 Boomerang back Product Name:Boomerang back CAS No.:# Molecular Formula:
Product Number:E-008-10 Bacterial endotoxin working standard (box) Product Name:Bacterial endotoxin working standard (box) CAS No.:N/A Molecular Formula:
Product Number:121264 Plantain root Product Name:Plantain root CAS No.:# Molecular Formula:
Product Number:121265 Hive Product Name:Hive CAS No.:# Molecular Formula:
Product Number:150603 national reference material for horseshoe crab reagents Product Name:national reference material for horseshoe crab reagents CAS No.:# Molecular Formula:
Product Number:150602 Bacterial endotoxin boutique Product Name:Bacterial endotoxin boutique CAS No.:# Molecular Formula:
Product Number:150605 National Standard for Bacterial Endotoxin (for activated carbon adsorption test) Product Name:National Standard for Bacterial Endotoxin (for activated carbon adsorption test) CAS No.:# Molecular Formula:
Product Number:121268 Purple-flowered azalea Product Name:Purple-flowered azalea CAS No.:# Molecular Formula:
Product Number:150604 National Standard for Bacterial Endotoxins (for verification of dry heat inactivation) Product Name:National Standard for Bacterial Endotoxins (for verification of dry heat inactivation) CAS No.:# Molecular Formula:
Product Number:121269 Lanzan Fine Cinema (Lanzanhua) Product Name:Lanzan Fine Cinema (Lanzanhua) CAS No.:# Molecular Formula:
Product Number:150607 National Standard for Bacterial Endotoxin (for non-water-soluble samples) Product Name:National Standard for Bacterial Endotoxin (for non-water-soluble samples) CAS No.:# Molecular Formula:
Product Number:121270 Soprano rice Product Name:Soprano rice CAS No.:# Molecular Formula:
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