Hengyuan Fine Chemical | Reference Materials and Standards | 50,000+ Ready-to-Ship, High-Precision Solutions

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	Product Name	CAS No.	Molecular Formula
Product Number:PCL-#-Pi049-100mg	Product Name:Piracetam (2-oxo-1-pyrrolidinylacetamide)	CAS No.:7491-74-9	Molecular Formula:
Product Number:PCL-#-At012-50mg	Product Name:Atorvastatin epoxypyrroloxazine 7-hydroxy analog	CAS No.:1315629-79-8	Molecular Formula:
Product Number:PCL-#-Is325-100mg	Product Name:isomalt ketone sugar alcohol	CAS No.:64519-82-0	Molecular Formula:
Product Number:T00601	Product Name:2.5.7.8-Tetramethyl-2-(4,8,12-trimethyltridecyl)-6-Chromanol	CAS No.:10191-41-0	Molecular Formula:
Product Number:PCL-#-Ac050-200mg	Product Name:Acetaldehyde 2,4-dinitrophenylhydrazone	CAS No.:1019-57-4	Molecular Formula:
Product Number:PCL-#-Ca256-15mg	Product Name:Cabergoline	CAS No.:37025-55-1	Molecular Formula:
Product Number:PCL-#-Tr622-300mg	Product Name:1,2,3-Triacetoxy-5-deoxy-D-ribose	CAS No.:62211-93-2	Molecular Formula:
Product Number:PCL-#-Chp0366-300mg	Product Name:Emtricitabine impurityⅠ(5-fluorocytosine)	CAS No.:2022-85-7	Molecular Formula:
Product Number:PCL-#-Ci083-300mg	Product Name:5'-Deoxy-5-fluoro-N-[(3-methylbutyl)carbonyl]cytidine; Capecitabine impurity E; 5'-Deoxy-5-fluoro-N4-(3-methyl-1,4-dihydro-1H-cytosine); 5'-Deoxy-5-fluoro-N4-[(3-methylbutyl)carbonyl]cytosine	CAS No.:162204-30-0	Molecular Formula:
Product Number:PCL-#-Ca008-300mg	Product Name:5'-Deoxy-5-fluoro-N-[(2-methylbutoxy)carbonyl]cytidine	CAS No.:910129-15-6	Molecular Formula:
Product Number:PCL-#-Fm0234-200mg	Product Name:N2-acetyl-N-(triphenylmethyl)-L-glutamine	CAS No.:163277-79-0	Molecular Formula:
Product Number:PCL-#-Ch101-50mg	Product Name:Tolvaptan (impurity 35)	CAS No.:1316312-24-9	Molecular Formula:
Product Number:PCL-#-To089-20mg	Product Name:Tolvaptan phosphate sodium	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-To136-50mg	Product Name:Tolvaptan impurity 36	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-Me317-50mg	Product Name:2-methyl-4-(2-methylbenzoylamino)benzoic acid	CAS No.:317374-08-6	Molecular Formula:
Product Number:PCL-#-To143-50mg	Product Name:Tolvaptan impurity 6	CAS No.:1432725-24-0	Molecular Formula:
Product Number:PCL-#-Di362-100mg	Product Name:2,6-Dichloro-4-aminophenol	CAS No.:5930-28-9	Molecular Formula:
Product Number:PCL-#-Di365-100mg	Product Name:1,2-Dihydro-4-(1-methylethyl)-3,6-pyridazinedione	CAS No.:1903632-97-2	Molecular Formula:
Product Number:PCL-#-Di371-100mg	Product Name:N-cyanoacetylurethane	CAS No.:6629-04-5	Molecular Formula:
Product Number:PCL-#-Vo005-100mg	Product Name:1-[(2-Bromophenyl)thio]-2,4-dimethylbenzene, 1-[(2-bromophenyl)thio]-2,4-dimethylbenzene hydrobromide, impurity L	CAS No.:960203-41-2	Molecular Formula:

Products