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-#-Ur103-100mg Ursodeoxycholic acid EP impurity H; 3β,7β-dihydroxy-5β-cholic-24-oleic acid Product Name:Ursodeoxycholic acid EP impurity H; 3β,7β-dihydroxy-5β-cholic-24-oleic acid CAS No.:78919-26-3 Molecular Formula:
Product Number:PCL-#-Py102-100mg Tandospirone impurity I ((3aR,4R,7S,7aS)-2-[4-(4-pyrimidin-2-ylpiperazin-1-yl)butyl]hexahydro-1H-4,7-methylheteropolyol-1,3-dione) Product Name:Tandospirone impurity I ((3aR,4R,7S,7aS)-2-[4-(4-pyrimidin-2-ylpiperazin-1-yl)butyl]hexahydro-1H-4,7-methylheteropolyol-1,3-dione) CAS No.:87721-89-9 Molecular Formula:
Product Number:PCL-#-Bu005-100mg Brucetamide impurity (2S,4R)-2-(2,5-dicarbonyl-3-propylpyrrolidin-1-yl)butanamide, (2S,4R)-2-(2,5-dicarbonyl-3-propylpyrrolidin-1-yl)butanamide Product Name:Brucetamide impurity (2S,4R)-2-(2,5-dicarbonyl-3-propylpyrrolidin-1-yl)butanamide, (2S,4R)-2-(2,5-dicarbonyl-3-propylpyrrolidin-1-yl)butanamide CAS No.:N/A Molecular Formula:
Product Number:PCL-#-Ai118-50mg 1-(3-Buten-1-yl)-4-(2,3-dichlorophenyl)-piperazine; Aripiprazole elimination impurity 2 Product Name:1-(3-Buten-1-yl)-4-(2,3-dichlorophenyl)-piperazine; Aripiprazole elimination impurity 2 CAS No.:1424857-93-1 Molecular Formula:
Product Number:PCL-#-V039-50mg Vonorazan fumarate impurity U9 Product Name:Vonorazan fumarate impurity U9 CAS No.:1885094-62-1 Molecular Formula:
Product Number:PCL-R-112-50mg 1,4-dibromobutane Product Name:1,4-dibromobutane CAS No.:110-52-1 Molecular Formula:
Product Number:PCL-#-Bz0249-50mg Erotinib impurity 67 Product Name:Erotinib impurity 67 CAS No.:1494468-76-6 Molecular Formula:
Product Number:PCL-#-Li117-100mg N,O-Devinyl linezolid, morpholine ring-opening impurity Product Name:N,O-Devinyl linezolid, morpholine ring-opening impurity CAS No.:1219708-30-1 Molecular Formula:
Product Number:PCL-#-Ed003-250mg Edoxaban impurity A Product Name:Edoxaban impurity A CAS No.:1210348-34-7 Molecular Formula:
Product Number:PCL-#-Bz0048-50mg Omeprazole impurity 14 Product Name:Omeprazole impurity 14 CAS No.:2101206-66-8 Molecular Formula:
Product Number:PCL-#-Fm1020-50mg FMOC-D-alanine Product Name:FMOC-D-alanine CAS No.:79990-15-1 Molecular Formula:
Product Number:PCL-#-Es005-100mg Escitalopram USP impurity E Product Name:Escitalopram USP impurity E CAS No.:62498-71-9 Molecular Formula:
Product Number:PCL-#-Vo933-50mg Vortioxetine Product Name:Vortioxetine CAS No.:508233-74-7 Molecular Formula:
Product Number:PCL-#-Bz0179-50mg Boc-beta-alanine Product Name:Boc-beta-alanine CAS No.:3303-84-2 Molecular Formula:
Product Number:PCL-#-Al731-25mg Elamectin impurity 2 Product Name:Elamectin impurity 2 CAS No.:N/A Molecular Formula:
Product Number:PCL-#-Qu019-50mg Quetiapine EP impurity U Product Name:Quetiapine EP impurity U CAS No.:5786-26-5 Molecular Formula:
Product Number:PCL-#-Ni024-100mg Nicorandil impurity I Product Name:Nicorandil impurity I CAS No.:2250142-73-3 Molecular Formula:
Product Number:PCL-#-Di083-1ml N,N-dimethylbutylamine Product Name:N,N-dimethylbutylamine CAS No.:927-62-8 Molecular Formula:
Product Number:PCL-#-Ii115-50mg Ibuprofen EP impurity R Product Name:Ibuprofen EP impurity R CAS No.:102120-87-6 Molecular Formula:
Product Number:PCL-#-Az016-100mg 1-Methyl-4-hydrazino-azepane hydrochloride (Azelastine hydrochloride impurity M3) Product Name:1-Methyl-4-hydrazino-azepane hydrochloride (Azelastine hydrochloride impurity M3) CAS No.:N/A Molecular Formula:
  1. <
  2. 422
  3. 423
  4. 424
  5. 425
  6. 426
  7. >
1
2
3
4
5
6
HomeEmailContact