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.

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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-2023BZ821		Product Name:Manganese solution	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ703		Product Name:Acetaldehyde standard solution in methanol	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ825		Product Name:6 VOC mixed standards	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ949		Product Name:Hexavalent Chromium	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ829		Product Name:Internal Standards of Three Volatile Organic Compounds in Methanol	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ132		Product Name:Lead solution in water	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ930		Product Name:Conductivity,25℃:84±1.68µS/cm	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ811		Product Name:3 kinds of alternatives mixed standard	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ810		Product Name:59 VOC mixed standards (HJ 605-2011)	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ932-20mL		Product Name:Total phosphorus quality control sample	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ936		Product Name:Water quality Perchloroethylene Petroleum	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ937		Product Name:Water Sulfide	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ934		Product Name:Water Quality Mercury	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ819		Product Name:Magnesium	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ1041-20ml		Product Name:Hexavalent Chromium Quality Control Sample	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ1047		Product Name:pH	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ1048-20ml		Product Name:Sulfate (sulfate) quality control sample	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ1042-20ml		Product Name:Chemical oxygen demand	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ1045-20mL		Product Name:Permanganate Index	CAS No.:	Molecular Formula:
Product Number:PCL-2023BZ802		Product Name:6 VOC mixed standards (8260 HJ605)	CAS No.:	Molecular Formula:

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