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-#-Bz0180-50mg 5-acetyl-2,2-dimethyl-1,3-dioxane-4,6-dione Product Name:5-acetyl-2,2-dimethyl-1,3-dioxane-4,6-dione CAS No.:72324-39-1 Molecular Formula:
Product Number:PCL-#-Az539-50mg Azithromycin impurity IV (impurity I) [Azithromycin I (3'-N-desmethylazithromycin] (2R, 3S, 4R, 5R, 8R, 10R, 11R, 12S, 13S, 14R)-13-[[2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribulose-cohexylglycopyranosidyl]oxy]-2-ethyl-3,4,10-trihydroxy-3. 5,6,8,10,12,14-heptamethyl-11-[[3,4,6-trideoxy-3-methylamino-beta-D-xylulose-hexopyranosyl]oxy]-1-oxa-6-azacyclopentadecan-15-one Product Name:Azithromycin impurity IV (impurity I) [Azithromycin I (3'-N-desmethylazithromycin] (2R, 3S, 4R, 5R, 8R, 10R, 11R, 12S, 13S, 14R)-13-[[2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribulose-cohexylglycopyranosidyl]oxy]-2-ethyl-3,4,10-trihydroxy-3. 5,6,8,10,12,14-heptamethyl-11-[[3,4,6-trideoxy-3-methylamino-beta-D-xylulose-hexopyranosyl]oxy]-1-oxa-6-azacyclopentadecan-15-one CAS No.:172617-84-4 Molecular Formula:
Product Number:PCL-#-Bz0078-50mg Atorvastatin impurity 14 Product Name:Atorvastatin impurity 14 CAS No.:693793-82-7 Molecular Formula:
Product Number:PCL-#-Bz0264-50mg Ethyl glycodeoxycholate Product Name:Ethyl glycodeoxycholate CAS No.:70779-06-5 Molecular Formula:
Product Number:PCL-#-Pr001-25mg 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-#-D033-25mg Aripiprazole Impurity II Product Name:Aripiprazole Impurity II CAS No.:129722-25-4 Molecular Formula:
Product Number:PCL-#-Et008-50mg Ethambutol EP impurity C Product Name:Ethambutol EP impurity C CAS No.:10054-05-4 Molecular Formula:
Product Number:PCL-#-Az556-50mg Azithromycin EP impurity L; Azithromycin nitrogen oxides Product Name:Azithromycin EP impurity L; Azithromycin nitrogen oxides CAS No.:90503-06-3 Molecular Formula:
Product Number:PCL-#-Bz0058-50mg Acyclovir impurity H Product Name:Acyclovir impurity H CAS No.:133186-23-9 Molecular Formula:
Product Number:PCL-#-Bz0244-50mg Acyclovir EP impurity I Product Name:Acyclovir EP impurity I CAS No.:1797832-75-7 Molecular Formula:
Product Number:PCL-#-A612-100mg Aripiprazole impurityⅠ (Aripiprazole N-oxide) Product Name:Aripiprazole impurityⅠ (Aripiprazole N-oxide) CAS No.:573691-09-5 Molecular Formula:
Product Number:PCL-#-At105-100mg Atropine EP impurity G Product Name:Atropine EP impurity G CAS No.:N/A Molecular Formula:
Product Number:PCL-#-Bz0143-50mg benzoylacetonitrile Product Name:benzoylacetonitrile CAS No.:614-16-4 Molecular Formula:
Product Number:PCL-#-Pr187-50mg Pramipexole impurity 820BS Product Name:Pramipexole impurity 820BS CAS No.:1001648-71-0 Molecular Formula:
Product Number:100047 Chlorpheniramine maleate Product Name:Chlorpheniramine maleate CAS No.:113-92-8 Molecular Formula:
Product Number:PCL-#-Am2333-25mg (S)-1-Amino-3-chloro-2-propanol hydrochloride Product Name:(S)-1-Amino-3-chloro-2-propanol hydrochloride CAS No.:34839-13-9 Molecular Formula:
Product Number:PCL-#-Br014-100mg R-chloromethylhexanoic acid (brivaracetam impurity 14) Product Name:R-chloromethylhexanoic acid (brivaracetam impurity 14) CAS No.:2101641-90-9 Molecular Formula:
Product Number:PCL-#-At100-25mg 1-(4-Amino-2-methylbenzoyl)-7-chloro-1,2,3,4-tetrahydro-5H-1-benzazepin-5-one Product Name:1-(4-Amino-2-methylbenzoyl)-7-chloro-1,2,3,4-tetrahydro-5H-1-benzazepin-5-one CAS No.:137977-97-0 Molecular Formula:
Product Number:PCL-#-Bz0430-50mg Imipenem EP impurity B Product Name:Imipenem EP impurity B CAS No.:780001-33-4/1197869-90-1 Molecular Formula:
Product Number:PCL-#-Pd144-25mg 1,5-Pentanediol diacrylate Product Name:1,5-Pentanediol diacrylate CAS No.:36840-85-4 Molecular Formula:
  1. <
  2. 430
  3. 431
  4. 432
  5. 433
  6. 434
  7. >
1
2
3
4
5
6
HomeEmailContact