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-#-Di022-50mg Deoxyfluorouridine L; 5'-deoxy-5-fluorouridine; Capecitabine impurity B Product Name:Deoxyfluorouridine L; 5'-deoxy-5-fluorouridine; Capecitabine impurity B CAS No.:3094-09-5 Molecular Formula:
Product Number:PCL-#-Az532-50mg Azithromycin EP impurity H; Azithromycin impurity III (impurity H) 3'-N-[[4-(acetylamino)phenyl]sulfonyl]-3'-N-desmethyl azithromycin Product Name:Azithromycin EP impurity H; Azithromycin impurity III (impurity H) 3'-N-[[4-(acetylamino)phenyl]sulfonyl]-3'-N-desmethyl azithromycin CAS No.:612069-30-4 Molecular Formula:
Product Number:PCL-#-Bz0202-50mg 2'-Amino-4'-methoxyacetophenone Product Name:2'-Amino-4'-methoxyacetophenone CAS No.:42465-53-2 Molecular Formula:
Product Number:PCL-#-Me761-25mg 4'-Methylacetophenone; p-Methylacetophenone Product Name:4'-Methylacetophenone; p-Methylacetophenone CAS No.:122-00-9 Molecular Formula:
Product Number:PCL-#-Ai100-50mg Acetaminophen impurity M (4,4'-iminodiol) Product Name:Acetaminophen impurity M (4,4'-iminodiol) CAS No.:1752-24-5 Molecular Formula:
Product Number:PCL-#-Di127-100mg 1-(2,3-Dichlorophenyl)piperazine dimer hydrochloride; 1,1'-(Ethane-1,1-diphenyl(2,3-dichloro-4,1-phenylene))bis-piperazine dihydrochloride; Piperazine dimer impurity Product Name:1-(2,3-Dichlorophenyl)piperazine dimer hydrochloride; 1,1'-(Ethane-1,1-diphenyl(2,3-dichloro-4,1-phenylene))bis-piperazine dihydrochloride; Piperazine dimer impurity CAS No.:519138-48-8 Molecular Formula:
Product Number:PCL-#-Fm003-50mg N-Fmoc-N''-trityl-D-asparagine Product Name:N-Fmoc-N''-trityl-D-asparagine CAS No.:180570-71-2 Molecular Formula:
Product Number:PCL-#-Pr001-100mg Pramipexole EP impurity C (6S,6'S)-N6,N6'-(2-methylpentane-1,3-diyl)bis(4,5,6,7-tetrahydrobenzothiazole)-2,6-diamine Product Name:Pramipexole EP impurity C (6S,6'S)-N6,N6'-(2-methylpentane-1,3-diyl)bis(4,5,6,7-tetrahydrobenzothiazole)-2,6-diamine CAS No.:1973461-14-1 Molecular Formula:
Product Number:PCL-#-Az538-50mg Azithromycin EP impurity Q((3'-N-{[4- (acetyl) phenyl] sulfonyl }- 3'-(N,N- demethyl) azithromycin) Product Name:Azithromycin EP impurity Q((3'-N-{[4- (acetyl) phenyl] sulfonyl }- 3'-(N,N- demethyl) azithromycin) CAS No.:2095879-65-3 Molecular Formula:
Product Number:PCL-#-Fm106-50mg N-(9-fluorenylmethoxycarbonyl)-N'-trityl-L-histidine Product Name:N-(9-fluorenylmethoxycarbonyl)-N'-trityl-L-histidine CAS No.:109425-51-6 Molecular Formula:
Product Number:PCL-#-Az006-100mg N'-(1-methyl-1-yloxy-azepin-4-yl)-hydrazide benzoate (Azelastine Hydrochloride Impurity M2-I6 Control) Product Name:N'-(1-methyl-1-yloxy-azepin-4-yl)-hydrazide benzoate (Azelastine Hydrochloride Impurity M2-I6 Control) CAS No.:N/A Molecular Formula:
Product Number:PCL-#-EA357-25mg ethylenediamine-N,N'-diacetic acid Product Name:ethylenediamine-N,N'-diacetic acid CAS No.:5657-17-0 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-#Me001-25mg Methyl caproate. Product Name:Methyl caproate. CAS No.:106-70-7 Molecular Formula:
Product Number:PCL-#-Ma073-100mg D-malic acid Product Name:D-malic acid CAS No.:636-61-3 Molecular Formula:
Product Number:PCL-#-Fm021-200mg Fmoc-Glu(OtBu)-OH Product Name:Fmoc-Glu(OtBu)-OH CAS No.:71989-18-9 Molecular Formula:
Product Number:PCL-#-On021-100mg Ondansetron hydrochloride impurity B Product Name:Ondansetron hydrochloride impurity B CAS No.:1076198-52-1 Molecular Formula:
Product Number:PCL-#-Li278-100mg Rifilgrastim IM03-3 Product Name:Rifilgrastim IM03-3 CAS No.:N/A Molecular Formula:
Product Number:PCL-#-Li277-100mg Rifepristal impurity T Product Name:Rifepristal impurity T CAS No.:851785-70-1 Molecular Formula:
Product Number:PCL-#-Li321-50mg Linezolid impurity R; N-Methoxycarbonyl-3-fluoro-4(4-morpholinyl)aniline Product Name:Linezolid impurity R; N-Methoxycarbonyl-3-fluoro-4(4-morpholinyl)aniline CAS No.:212325-40-1 Molecular Formula:
  1. <
  2. 376
  3. 377
  4. 378
  5. 379
  6. 380
  7. >
1
2
3
4
5
6
HomeEmailContact