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-#-Mo107-25mg Moxifloxacin Impurity 17; Ethyl 1-cyclopropyl-6,7,8-trifluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylate Product Name:Moxifloxacin Impurity 17; Ethyl 1-cyclopropyl-6,7,8-trifluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylate CAS No.:94242-51-0 Molecular Formula:
Product Number:PCL-#-Be061-25mg 2-aminobenzothiazole Product Name:2-aminobenzothiazole CAS No.:136-95-8 Molecular Formula:
Product Number:PCL-#-Bz0182-50mg tert-Butyl 2,4-dipiperidone-1-carboxylate Product Name:tert-Butyl 2,4-dipiperidone-1-carboxylate CAS No.:845267-78-9 Molecular Formula:
Product Number:PCL-#-Bz0021-50mg meso-hydroxylamine catalyst Product Name:meso-hydroxylamine catalyst CAS No.:862095-91-8 Molecular Formula:
Product Number:PCL-#-T352-20mg 2,3,5-Trimethyl-2,5-cyclohexadiene-1,4-dione Product Name:2,3,5-Trimethyl-2,5-cyclohexadiene-1,4-dione CAS No.:935-92-2 Molecular Formula:
Product Number:PCL-#-Do048-50mg Donepezil impurity C; Donepezil N-oxide Product Name:Donepezil impurity C; Donepezil N-oxide CAS No.:120013-84-5 Molecular Formula:
Product Number:PCL-#-Mm101-5000mg Butanedioic acid monomethyl ester (succinic acid monomethyl ester) Product Name:Butanedioic acid monomethyl ester (succinic acid monomethyl ester) CAS No.:3878-55-5 Molecular Formula:
Product Number:PCL-#-Bz0051-50mg Bile acid impurity 2 Product Name:Bile acid impurity 2 CAS No.:70779-06-5 Molecular Formula:
Product Number:PCL-#-Ve013-50mg Venlafaxine hydrochloride impurity H, Product Name:Venlafaxine hydrochloride impurity H, CAS No.:N/A 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-#-Am0107-25mg Amoxicillin impurity I; D(-)-p-hydroxyphenylglycine Product Name:Amoxicillin impurity I; D(-)-p-hydroxyphenylglycine CAS No.:22818-40-2 Molecular Formula:
Product Number:PCL-#-Ra066-25mg Lipoic acid impurity G Product Name:Lipoic acid impurity G CAS No.:17370-41-1 Molecular Formula:
Product Number:PCL-#-Bz0262-50mg Anhydrous daptomycin impurity Product Name:Anhydrous daptomycin impurity CAS No.:121869-35-0 Molecular Formula:
Product Number:PCL-#-Bz0101-50mg Chlorpheniramine EP impurity F Product Name:Chlorpheniramine EP impurity F CAS No.:N/A Molecular Formula:
Product Number:PCL-#-Bz0320-50mg Ribavirin API Impurity O Product Name:Ribavirin API Impurity O CAS No.:799-87-1 Molecular Formula:
Product Number:PCL-#-Bz0094-50mg Tolperisone impurity E Product Name:Tolperisone impurity E CAS No.:N/A Molecular Formula:
Product Number:PCL-#-Az532-10mg Azithromycin impurity H Product Name:Azithromycin impurity H CAS No.:612069-30-4 Molecular Formula:
Product Number:PCL-#-At102-50mg Atropine impurity D (6-hydroxyscopoletin); Atropine EP impurity D Product Name:Atropine impurity D (6-hydroxyscopoletin); Atropine EP impurity D CAS No.:N/A Molecular Formula:
Product Number:PCL-#-To019 Tofacitabine citrate Product Name:Tofacitabine citrate CAS No.:540737-29-9 Molecular Formula:
Product Number:PCL-#-Hy014-50mg Scopolamine butylbromide impurity G Product Name:Scopolamine butylbromide impurity G CAS No.:N/A Molecular Formula:
  1. <
  2. 470
  3. 471
  4. 472
  5. 473
  6. 474
  7. >
1
2
3
4
5
6
HomeEmailContact