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-#-Ch079-25mg 2-[1-(4-Chlorophenyl)-propenyl]-pyridine (impurity U) Product Name:2-[1-(4-Chlorophenyl)-propenyl]-pyridine (impurity U) CAS No.:N/A Molecular Formula:
Product Number:PCL-#-Fm0515-20mg Fmoc-glycine Product Name:Fmoc-glycine CAS No.:29022-11-5 Molecular Formula:
Product Number:PCL-#-Chp0951-20mg Levofloxacin EP impurity I Product Name:Levofloxacin EP impurity I CAS No.:178912-62-4 Molecular Formula:
Product Number:PCL-#-Ns100-20mg N,S-Diacetyl-L-cysteine methyl ester Product Name:N,S-Diacetyl-L-cysteine methyl ester CAS No.:19547-88-7 Molecular Formula:
Product Number:PCL-#-Su0317-100mg N-[(1-Ethylpyrrolidin-2-yl)methyl]-2-hydroxy-5-aminosulfonylbenzamide;Sulpiride EP impurity G, Product Name:N-[(1-Ethylpyrrolidin-2-yl)methyl]-2-hydroxy-5-aminosulfonylbenzamide;Sulpiride EP impurity G, CAS No.:67381-52-6 Molecular Formula:
Product Number:PCL-#-Az556-10mg Azithromycin impurity L Product Name:Azithromycin impurity L CAS No.:90503-06-3 Molecular Formula:
Product Number:PCL-#-E439-50mg Azithromycin impurity S; Erythromycin oxime A; Azithromycin impurity VIII (impurity S) [Erythromycin A-E-oxime] 9-deoxy-9-oximinyl-Erythromycin A Product Name:Azithromycin impurity S; Erythromycin oxime A; Azithromycin impurity VIII (impurity S) [Erythromycin A-E-oxime] 9-deoxy-9-oximinyl-Erythromycin A CAS No.:111321-02-9 Molecular Formula:
Product Number:PCL-#-In086-10mg Indacaterol impurity 3; (R)-8-(benzyloxy)-5-(oxo-2-yl)quinolin-2(1H)-one (Indacaterol impurity 5) Product Name:Indacaterol impurity 3; (R)-8-(benzyloxy)-5-(oxo-2-yl)quinolin-2(1H)-one (Indacaterol impurity 5) CAS No.:173140-90-4 Molecular Formula:
Product Number:510177 Isopropyl p-toluenesulfonate Product Name:Isopropyl p-toluenesulfonate CAS No.:2307-69-9 Molecular Formula:
Product Number:PCL-#-Hy013-50mg Scopolamine butylbromide impurity F Product Name:Scopolamine butylbromide impurity F CAS No.:N/A Molecular Formula:
Product Number:510170 Tadalafil Product Name:Tadalafil CAS No.:171596-29-5 Molecular Formula:
Product Number:PCL-#-Na2343-50mg 2-Naphthol-6,8-disulfonic acid Product Name:2-Naphthol-6,8-disulfonic acid CAS No.:118-32-1 Molecular Formula:
Product Number:PCL-#-Bz0394-50mg Cefmetazole impurity 1 Product Name:Cefmetazole impurity 1 CAS No.:56796-16-8 Molecular Formula:
Product Number:PCL-#-Di763-50mg Sodium dipivalate impurity E; sodium valproate impurity J Product Name:Sodium dipivalate impurity E; sodium valproate impurity J CAS No.:5340-48-7 Molecular Formula:
Product Number:PCL-#-Di157-5ml diethylnitrosamine Product Name:diethylnitrosamine CAS No.:55-18-5 Molecular Formula:
Product Number:PCL-#-Li0168-50mg (S)-N-[[3-[4-(4-morpholinyl)phenyl]-2-oxo-5-oxazolidinyl]methyl]acetamide; LNZA-DF (linezolidinium defluorinated impurity) Product Name:(S)-N-[[3-[4-(4-morpholinyl)phenyl]-2-oxo-5-oxazolidinyl]methyl]acetamide; LNZA-DF (linezolidinium defluorinated impurity) CAS No.:556801-15-1 Molecular Formula:
Product Number:PCL-#-Ti011-50mg Tirofiban impurity M2Z2; 3-[4-(4-Piperidin-4-yl-butoxy)-phenyl]-2-(propane-1-sulfonylamino)-propionic acid Product Name:Tirofiban impurity M2Z2; 3-[4-(4-Piperidin-4-yl-butoxy)-phenyl]-2-(propane-1-sulfonylamino)-propionic acid CAS No.:N/A Molecular Formula:
Product Number:PCL-#-Ro0230-50mg Ranitidine impurity J Product Name:Ranitidine impurity J CAS No.:1331637-48-9 Molecular Formula:
Product Number:PCL-#-Bz0037-50mg Pantoprazole impurity 9 Product Name:Pantoprazole impurity 9 CAS No.:953787-60-5 Molecular Formula:
Product Number:PCL-#-Py103-50mg Tandospirone impurity II Product Name:Tandospirone impurity II CAS No.:138332-79-3 Molecular Formula:
  1. <
  2. 411
  3. 412
  4. 413
  5. 414
  6. 415
  7. >
1
2
3
4
5
6
HomeEmailContact