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-#-TC123-1g	Product Name:Tortoiseshell	CAS No.:####	Molecular Formula:
Product Number:121285	Product Name:Huperzia (Thickets)	CAS No.:#	Molecular Formula:
Product Number:121282	Product Name:Polygonum cepa	CAS No.:#	Molecular Formula:
Product Number:121505	Product Name:Cactus	CAS No.:#	Molecular Formula:
Product Number:100341	Product Name:Lidocaine hydrochloride	CAS No.:6108-05-0	Molecular Formula:
Product Number:100340	Product Name:Nifedipine impurity II (dimethyl 2,6-dimethyl-4-(2-nitrophenyl)-3,5-pyridinedicarboxylate)	CAS No.:100340-N/A	Molecular Formula:
Product Number:PCL-2024SW189-9ml	Product Name:Liquid moisture content standard substance	CAS No.:	Molecular Formula:
Product Number:PCL-2024BZ466-500ml	Product Name:Neutralizing solution for the determination of the acid value of petroleum	CAS No.:	Molecular Formula:
Product Number:112092	Product Name:6-shogaol	CAS No.:555-66-8	Molecular Formula:
Product Number:112092	Product Name:6-shogaol	CAS No.:555-66-8	Molecular Formula:
Product Number:PCL-#-G432-20mg	Product Name:6-gingerol	CAS No.:23513-14-6	Molecular Formula:
Product Number:	Product Name:2-chloro-4-formyl-3-methoxybenzonitrile	CAS No.:2385507-99-1	Molecular Formula:
Product Number:	Product Name:2-chloro-4-formyl-5-methoxybenzonitrile	CAS No.:2385902-88-3	Molecular Formula:
Product Number:	Product Name:3-chloro-4-formyl-5-methoxybenzonitrile	CAS No.:2384678-77-5	Molecular Formula:
Product Number:	Product Name:4-amino-5-methylpyridin-2-yl 4-(4-cyano-2-methoxyphenyl)-5-hydroxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridine-3-carboxylate	CAS No.:	Molecular Formula:C25H23N5O4
Product Number:	Product Name:2-cyanoethyl (E)-2-(5-chloro-4-cyano-2-methoxybenzylidene)-3-oxobutanoate	CAS No.:	Molecular Formula:C16H13ClN2O4
Product Number:	Product Name:2-cyanoethyl (E)-2-(2-chloro-4-cyano-6-methoxybenzylidene)-3-oxobutanoate	CAS No.:	Molecular Formula:C16H13ClN2O4
Product Number:	Product Name:UDP-rhamnose	CAS No.:1955-26-6	Molecular Formula:C15H24N2O16P2
Product Number:	Product Name:UDP-GalA.3Na	CAS No.:148407-07-2	Molecular Formula:C15H19N2Na3O18P2
Product Number:32025XA-1.2mL	Product Name:10-Residue Mixed Standard in Acetonitrile / GB 23200.121-2026 Quantification Limit Revision	CAS No.:	Molecular Formula:

Products