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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:195010 Phenyl tris(2,4-di-tert-butylphenol) phosphite (Antioxidant 168) Product Name:Phenyl tris(2,4-di-tert-butylphenol) phosphite (Antioxidant 168) CAS No.:31570-04-4 Molecular Formula:
Product Number:PCL-#-Sp001-1g Pingback Product Name:Pingback CAS No.:#### Molecular Formula:
Product Number:195011 Tris (nonylphenol) phosphite (antioxidant 1178) Product Name:Tris (nonylphenol) phosphite (antioxidant 1178) CAS No.:26523-78-4 Molecular Formula:
Product Number:PCL-#-Ip100-1g Acute Product Name:Acute CAS No.:#### Molecular Formula:
Product Number:PCL-#-Ly001-1g Hai Jinsha Product Name:Hai Jinsha CAS No.:#### Molecular Formula:
Product Number:195018 Oxygen Permeability Standard Membrane (Medium Barrier) Product Name:Oxygen Permeability Standard Membrane (Medium Barrier) CAS No.:# Molecular Formula:
Product Number:121600 Changshan Product Name:Changshan CAS No.:# Molecular Formula:
Product Number:195019 Oxygen permeability standard membrane (low barrier) Product Name:Oxygen permeability standard membrane (low barrier) CAS No.:# Molecular Formula:
Product Number:121601 Peachy branch Product Name:Peachy branch CAS No.:# Molecular Formula:
Product Number:195017 Oxygen transmission rate standard membrane (high barrier) Product Name:Oxygen transmission rate standard membrane (high barrier) CAS No.:# Molecular Formula:
Product Number:130549 Melocillin sodium Product Name:Melocillin sodium CAS No.:# Molecular Formula:
Product Number:130546 Gatifloxacin hydrochloride Product Name:Gatifloxacin hydrochloride CAS No.:160738-57-8 Molecular Formula:
Product Number:130545 Cefpirome Product Name:Cefpirome CAS No.:# Molecular Formula:
Product Number:130548 Kanamycin B Product Name:Kanamycin B CAS No.:# Molecular Formula:
Product Number:130542 Rifaximin Product Name:Rifaximin CAS No.:80621-81-4 Molecular Formula:
Product Number:130541 Rifapentine Product Name:Rifapentine CAS No.:61379-65-5 Molecular Formula:
Product Number:130540 Rifamycin B Product Name:Rifamycin B CAS No.:# Molecular Formula:
Product Number:195003 Bisphenol A Product Name:Bisphenol A CAS No.:80-05-7 Molecular Formula:
Product Number:PCL-#-PR238-1g Whiteheads Product Name:Whiteheads CAS No.:N/A Molecular Formula:
Product Number:195004 bis(octadecyl) disulfide Product Name:bis(octadecyl) disulfide CAS No.:# Molecular Formula:
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