Home Products

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-#-Ai103-50mg Acetaminophen EP impurity N(N,N′-(oxo-di-4,1-phenylene)diethylamide) Product Name:Acetaminophen EP impurity N(N,N′-(oxo-di-4,1-phenylene)diethylamide) CAS No.:3070-86-8 Molecular Formula:
Product Number:PCL-#-Fl006-50mg Fmoc-Arg(Pbf)-Arg(Pbf)-OH Product Name:Fmoc-Arg(Pbf)-Arg(Pbf)-OH CAS No.:N/A Molecular Formula:
Product Number:PCL-#-Bz0282-50mg Erlotinib impurity EL-8-112 Product Name:Erlotinib impurity EL-8-112 CAS No.:1241475-15-9 Molecular Formula:
Product Number:PCL-#-Bz0121-50mg Terbutaline impurity 5 Product Name:Terbutaline impurity 5 CAS No.:52144-93-1 Molecular Formula:
Product Number:PCL-#-Mo023-100mg 1-Cyclopropyl-6-fluoro-8-methoxy-7-(octahydropyrrolo[3,4-b]pyridin-6-yl)-1H-quinolin-4-one (Moxifloxacin impurity R) Product Name:1-Cyclopropyl-6-fluoro-8-methoxy-7-(octahydropyrrolo[3,4-b]pyridin-6-yl)-1H-quinolin-4-one (Moxifloxacin impurity R) CAS No.:1322062-57-6 Molecular Formula:
Product Number:PCL-#-Am0109-20mg 2-aminobenzenesulfonamide Product Name:2-aminobenzenesulfonamide CAS No.:3306-62-5 Molecular Formula:
Product Number:PCL-#-Ch103-50mg p-Chlorobenzeneacetonitrile Product Name:p-Chlorobenzeneacetonitrile CAS No.:140-53-4 Molecular Formula:
Product Number:PCL-#-Bz0146-50mg Norfluoxetine hydrochloride Product Name:Norfluoxetine hydrochloride CAS No.:83891-03-6 Molecular Formula:
Product Number:PCL-#-Bz0194-50mg Clomethiazole Product Name:Clomethiazole CAS No.:533-45-9 Molecular Formula:
Product Number:PCL-#-Cy509-25mg L-cysteine (acetylcysteine impurity B) Product Name:L-cysteine (acetylcysteine impurity B) CAS No.:52-90-4 Molecular Formula:
Product Number:PCL-#-Ro0129-50mg Ranitidine impurity K; N-methyl-1-methylthio-2-nitrovinylamine Product Name:Ranitidine impurity K; N-methyl-1-methylthio-2-nitrovinylamine CAS No.:61832-41-5 Molecular Formula:
Product Number:PCL-#-Am0922-25mg Amoxicillin impurity D Product Name:Amoxicillin impurity D CAS No.:68728-47-2 Molecular Formula:
Product Number:PCL-#-Az535-40mg Azithromycin CP impurity Q; Azithromycin impurity VI (impurity Q) [Erythromycin A 6,9-imide ether] 9-deoxy-6-deoxy-6,9-epoxy-9,9 alpha-didehydro-9 alpha-azido-homoerythromycin A Product Name:Azithromycin CP impurity Q; Azithromycin impurity VI (impurity Q) [Erythromycin A 6,9-imide ether] 9-deoxy-6-deoxy-6,9-epoxy-9,9 alpha-didehydro-9 alpha-azido-homoerythromycin A CAS No.:99290-97-8 Molecular Formula:
Product Number:PCL-#-AI1385-10mg Atorvastatin 3-hydroxy elimination of impurities Product Name:Atorvastatin 3-hydroxy elimination of impurities CAS No.:1105067-93-3 Molecular Formula:
Product Number:PCL-#-Bz0329-50mg Meropenem impurity diastereoisomer 1 Product Name:Meropenem impurity diastereoisomer 1 CAS No.:96035-27-7 Molecular Formula:
Product Number:PCL-#-Az015-100mg N'-(1-Methylazepan-4-yl)phenylhydrazine hydrochloride (Azelastine hydrochloride EP impurity B) Product Name:N'-(1-Methylazepan-4-yl)phenylhydrazine hydrochloride (Azelastine hydrochloride EP impurity B) CAS No.:117078-69-0 Molecular Formula:
Product Number:PCL-#-Qu009-50mg Quetiapine fumarate impurity Product Name:Quetiapine fumarate impurity CAS No.:329216-67-3 Molecular Formula:
Product Number:130486 Clindamycin phosphate Product Name:Clindamycin phosphate CAS No.:# Molecular Formula:
Product Number:PCL-#-Do002-30mg Dobutamine EP impurity C Product Name:Dobutamine EP impurity C CAS No.:51062-14-7 Molecular Formula:
Product Number:PCL-#-Bz0259-50mg Biaxepenem impurity dimer I/impurity A Product Name:Biaxepenem impurity dimer I/impurity A CAS No.:1426393-68-1 Molecular Formula:
  1. <
  2. 460
  3. 461
  4. 462
  5. 463
  6. 464
  7. >
1
2
3
4
5
6
HomeEmailContact