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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-2021SY223-100ml Ferrous Sulfate TS Standard Solution Product Name:Ferrous Sulfate TS Standard Solution CAS No.: Molecular Formula:
Product Number:PCL-2021CB002-100ml Arsenate (As5+) standard solution Product Name:Arsenate (As5+) standard solution CAS No.: Molecular Formula:
Product Number:PCL-2021RY009-100ml DPD Solution Product Name:DPD Solution CAS No.: Molecular Formula:
Product Number:PCL-2021RY006-100ml Wright's stain Product Name:Wright's stain CAS No.: Molecular Formula:
Product Number:PCL-2021SY160-500mL Alkaline copper tartrate test solution (500 mL each of solution A and solution B) Product Name:Alkaline copper tartrate test solution (500 mL each of solution A and solution B) CAS No.: Molecular Formula:
Product Number:PCL-2021RY016-500ml R2A agar medium Product Name:R2A agar medium CAS No.: Molecular Formula:
Product Number:PCL-2021RY028-1L Naphthylethylenediamine hydrochloride solution Product Name:Naphthylethylenediamine hydrochloride solution CAS No.: Molecular Formula:
Product Number:PCL-2021ZSY058-250ml Bromothymol blue indicator solution Product Name:Bromothymol blue indicator solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2021BZ048-500ml Standard nitrite solution Product Name:Standard nitrite solution CAS No.: Molecular Formula:
Product Number:PCL-2021RY013-500ml Thioacetamide Mixture A Product Name:Thioacetamide Mixture A CAS No.: Molecular Formula:
Product Number:PCL-2021RY014-100ml Thioacetamide Mixture B Product Name:Thioacetamide Mixture B CAS No.: Molecular Formula:
Product Number:PCL-2021RY017-250ml Sulfonamide dilute hydrochloric acid solution Product Name:Sulfonamide dilute hydrochloric acid solution CAS No.: Molecular Formula:
Product Number:PCL-2021RY015-100ml Aniline sulfuric acid solution Product Name:Aniline sulfuric acid solution CAS No.: Molecular Formula:
Product Number:PCL-2021SY210-500ml No ammonia Product Name:No ammonia CAS No.: Molecular Formula:
Product Number:PCL-2021RY018-500ml First-class water (ultrapure water) Product Name:First-class water (ultrapure water) CAS No.: Molecular Formula:
Product Number:PCL-2024BZ143-20ml Formaldehyde standard solution Product Name:Formaldehyde standard solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2023BZ011- 500ml Sodium bicarbonate standard solution Product Name:Sodium bicarbonate standard solution CAS No.: Molecular Formula:
Product Number:PCL-2024SY105-50ml Sulfate standard solution Product Name:Sulfate standard solution CAS No.: Molecular Formula:
Product Number:PCL-2021BZ026-100ml Standard Lead Stock Solution Product Name:Standard Lead Stock Solution CAS No.: Molecular Formula:
Product Number:PCL-2021RY007-500ml Dilute caramel solution Product Name:Dilute caramel solution CAS No.: Molecular Formula:
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