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-2021ZSY039-50ml		Product Name:Crystal violet indicator, indicator [2020Chp]	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023BZ105- 50ml		Product Name:Magnesium single element solution reference material, 1000 μ g/ml; Medium: 1% hydrochloric acid	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024RY154-500ml		Product Name:de-ionized water	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ116-500ml		Product Name:Dissolved oxygen solution reference material (iodometry)	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024RY270-500ml		Product Name:Acid staining solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023BZ008-50ml		Product Name:Calcium single element solution reference material	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2025BZ004-50ml		Product Name:Magnesium single-element solution standard substance	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024RY155-1ml		Product Name:Reference material for gas chromatograph verification (n-hexadecane solution in YXW), 100ng/uL.	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024HC012-250ml		Product Name:Boric acid buffer solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2023BZ095-100ml		Product Name:Lithium single-element solution standard substance	CAS No.:N/A	Molecular Formula:
Product Number:PCL-#-COD006-200ml		Product Name:COD standard sample	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024HC005-100ml		Product Name:imidazole buffered saline	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024RY071-250ml		Product Name:Hydroxylamine hydrochloride solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ191-100ml		Product Name:Aluminum single-element solution standard substance	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024BZ129-50ml		Product Name:Sodium bisulfite standard solution	CAS No.:7631-90-5	Molecular Formula:
Product Number:PCL-2021RY028-100ml		Product Name:Naphthalene ethylenediamine hydrochloride solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2021RY010-100ml		Product Name:Dilute hydrochloric acid solution of p-aminobenzenesulfonamide	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2021RY062-250ml		Product Name:Potassium chloride solution	CAS No.:	Molecular Formula:
Product Number:PCL-2024RY114-100ml		Product Name:Bromophenol blue ethanol solution	CAS No.:N/A	Molecular Formula:
Product Number:PCL-2024RY536-100ml		Product Name:Ferrous sulfate solution	CAS No.:	Molecular Formula:

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