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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-2021SY074-100ml Potassium dichromate test solution Product Name:Potassium dichromate test solution CAS No.: Molecular Formula:
Product Number:PCL-2021SY179-100ml Phosphotungstic acid test solution Product Name:Phosphotungstic acid test solution CAS No.: Molecular Formula:
Product Number:PCL-2021SY120-100ml Stannous chloride test solution Product Name:Stannous chloride test solution CAS No.: Molecular Formula:
Product Number:PCL-2021SY173-100ml Concentrated copper acetate TS Product Name:Concentrated copper acetate TS CAS No.: Molecular Formula:
Product Number:PCL-2021BZ013-100ml Standard Iron Stock Solution Product Name:Standard Iron Stock Solution CAS No.: Molecular Formula:
Product Number:PCL-2021SY022-100ml Chloral hydrate test solution Product Name:Chloral hydrate test solution CAS No.: Molecular Formula:
Product Number:PCL-2021SY075-100ml Diazobenzenesulfonic acid TS Product Name:Diazobenzenesulfonic acid TS CAS No.: Molecular Formula:
Product Number:PCL-2021SY062-500ml Ammonium oxalate test solution Product Name:Ammonium oxalate test solution CAS No.: Molecular Formula:
Product Number:PCL-2021SY006-100ml Ethanol potassium hydroxide test solution Product Name:Ethanol potassium hydroxide test solution CAS No.: Molecular Formula:
Product Number:PCL-2021SY019-250ml Aluminum chloride test solution Product Name:Aluminum chloride test solution CAS No.: Molecular Formula:
Product Number:PCL-2021SY061-100ml Oxalic acid test solution Product Name:Oxalic acid test solution CAS No.: Molecular Formula:
Product Number:PCL-2021SY117-100ml Lithospermum officinale solution Product Name:Lithospermum officinale solution CAS No.: Molecular Formula:
Product Number:PCL-2021SY007-100ml Ethanol Ammonia Test Solution Product Name:Ethanol Ammonia Test Solution CAS No.: Molecular Formula:
Product Number:PCL-2021SY081-100ml Molybdenum sulfuric acid test solution Product Name:Molybdenum sulfuric acid test solution CAS No.: Molecular Formula:
Product Number:PCL-2021SY178-100ml Phosphorus test solution Product Name:Phosphorus test solution CAS No.: Molecular Formula:
Product Number:PCL- 2021SY0644-100ml Mercuric acetate solution Product Name:Mercuric acetate solution CAS No.: Molecular Formula:
Product Number:PCL-2021SY185-500ml Preparation of Mercuric Bromide Test Solution from Ethanol Product Name:Preparation of Mercuric Bromide Test Solution from Ethanol CAS No.: Molecular Formula:
Product Number:PCL-2021SY067-100ml Sodium fluoride test solution Product Name:Sodium fluoride test solution CAS No.: Molecular Formula:
Product Number:PCL-2021SY192-500ml Mercuric nitrate test solution Product Name:Mercuric nitrate test solution CAS No.: Molecular Formula:
Product Number:PCL-2021SY014-100ml Diaminonaphthalene TS Product Name:Diaminonaphthalene TS CAS No.: Molecular Formula:
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