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-#-Os104-100mg |
 |
Product Name:Methyl (3R,4R,5S)-4-acetamido-5-amino-3-(1-ethyl-propoxy)cyclohex-1-ene-1-carboxylate; Oseltamivir EP Impurity E |
CAS No.:208720-78-9 |
Molecular Formula: |
| Product Number:PCL-#-Ad103-50mg |
 |
Product Name:Adefovir impurity 1 |
CAS No.:1215101-40-8 |
Molecular Formula: |
| Product Number:PCL-#-Bz0154-50mg |
 |
Product Name:4-hydroxy-2-methylquinoline |
CAS No.:607-67-0 |
Molecular Formula: |
| Product Number:PCL-#-Es002-100mg |
 |
Product Name:Escitalopram USP impurity B (3-hydroxycitalopram) |
CAS No.:1332724-03-4 |
Molecular Formula: |
| Product Number:PCL-#-Di137-200mg |
 |
Product Name:Cinacalcet Impurity 63 (1-(5,6,7,8-tetrahydronaphthalen-1-yl)ethan-1-amine hydrochloride) |
CAS No.:154377-56-7 |
Molecular Formula: |
| Product Number:PCL-#-Re0599-50mg |
 |
Product Name:ribavirin starting material 2 impurity D |
CAS No.:N/A |
Molecular Formula: |
| Product Number:PCL-#-Ph104-50mg |
 |
Product Name:Phenoxymethylpenicillin EP impurity E hydrochloride; (2R,4S)-2-carboxy(2-phenoxyacetamido)methyl)-5,5-dimethylthiazolidine-4-carboxylic acid hydrochloride; (Penicillin V potassium impurity E hydrochloride) |
CAS No.:PCL-#-Ph104-N/A |
Molecular Formula: |
| Product Number:PCL-#-Do043-100mg |
 |
Product Name:Donepezil-related substance A |
CAS No.:145546-80-1 |
Molecular Formula: |
| Product Number:PCL-#-Li335-100mg |
![Ritarestat impurity T isomer; 2-[(5,7-dichloro-1,2,3,4-tetrahydroisoquinoline-6-carbonyl)-amino]-3-(3-methylsulfonyl-phenyl)-propanoic acid](https://cdn.divseo.net/hyfinechemical.com/images/wait.gif) |
Product Name:Ritarestat impurity T isomer; 2-[(5,7-dichloro-1,2,3,4-tetrahydroisoquinoline-6-carbonyl)-amino]-3-(3-methylsulfonyl-phenyl)-propanoic acid |
CAS No.:N/A |
Molecular Formula: |
| Product Number:PCL-#-Be066-50mg |
 |
Product Name:Aminobenzoxazole |
CAS No.:4570-41-6 |
Molecular Formula: |
| Product Number:PCL-#-Ch005-50mg |
 |
Product Name:1-chloro-2-deoxy-3,5-di-O-p-chlorobenzoyl-D-ribose |
CAS No.:21740-23-8 |
Molecular Formula: |
| Product Number:PCL-#-Ay204-20mg |
 |
Product Name:Azo Ruby Red |
CAS No.:3567-69-9 |
Molecular Formula: |
| Product Number:PCL-#-Bm002-200mg |
 |
Product Name:BMS-591455 (Miscellaneous E) |
CAS No.:503614-92-4 |
Molecular Formula: |
| Product Number:PCL-#-Bz0330-50mg |
 |
Product Name:Meropenem impurity diastereoisomer 2 |
CAS No.:96035-15-3 |
Molecular Formula: |
| Product Number:PCL-#-Di708-100mg |
 |
Product Name:1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride |
CAS No.:7084-11-9 |
Molecular Formula: |
| Product Number:PCL-#-Sn002-100mg |
 |
Product Name:(S)-N-(2-acetoxy-3-chloropropyl)acetamide |
CAS No.:183905-31-9 |
Molecular Formula: |
| Product Number:PCL-#-Do068-25mg |
 |
Product Name:Donepezil impurity F |
CAS No.:197010-20-1 |
Molecular Formula: |
| Product Number:PCL-#-Br010-1g |
 |
Product Name:1,3-dibromomethyl-5-methylbenzene |
CAS No.:19294-04-3 |
Molecular Formula: |
| Product Number:PCL-#-Bz0267-50mg |
 |
Product Name:p-Fluorobenzenethiol p-fluorobenzenesulfonate |
CAS No.:2905-15-9 |
Molecular Formula: |
| Product Number:PCL-#-Pr1081-250mg |
 |
Product Name:Propofol EP impurity E |
CAS No.:2416-95-7 |
Molecular Formula: |