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:BW20011-0.1-W-500	Product Name:Standard solution for volumetric analysis of sodium hydroxide	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2021BZ008-100ml	Product Name:standard potassium sulphate solution	CAS No.:N/A	Molecular Formula:
Product Number:BW20020-0.05-500	Product Name:Standard solution for volumetric analysis of sodium thiosulfate	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-Et006-1.2ml	Product Name:Standard substance for ethylene oxide solution in water	CAS No.:75-21-8	Molecular Formula:
Product Number:PCL-2023HJ857-2mL	Product Name:Mixed solution of 5 volatile halogenated hydrocarbons in methanol (GB11893/HJ670/HJ636/HJ/T199)	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ631-1ml	Product Name:10 polybrominated diphenyl ethers in toluene	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ630-1ml	Product Name:10 PBBs in toluene/isooctane solvent mixture	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ624-500ml	Product Name:Binding solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023BZ616-500ml	Product Name:Potassium hydrogen phthalate solution	CAS No.:	Molecular Formula:
Product Number:PCL-2023HJ634-5ml	Product Name:Benzoic acid/sorbic acid/sodium saccharin/acesulfame mixed standard solution in water	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ632-100ml	Product Name:standard solution of nitrogen oxides	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ639-50ml	Product Name:Standard solution of nitrogen dioxide	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ638-1ml	Product Name:Mixture of 11 halogenated hydrocarbons in methanol (GB 24409/GB 18581-2020/GB 18582-2020)	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ636-2ml	Product Name:Mixed standard solution of 8 benzenes (voc) in methanol (HJ1067/HJ583)	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ653-50ml	Product Name:standard solution of chlorate	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ646-20ml	Product Name:pH QC	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ644-5ml	Product Name:Standard substance for sweetener solution in water	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ402-1ml	Product Name:Standard substance for aspartame solution in water	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ643-100ml	Product Name:Standard substance for carbonate solution in water	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023HJ401-1ml	Product Name:18 phthalates in hexane \| GB5009.271-2016, GB31604.30-2016	CAS No.:N/A	Molecular Formula:

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