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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.

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Product Number Image Product Name CAS No. Molecular Formula
Product Number:PCL-2020DD026-500ml Bismuth nitrate titration solution reference material Product Name:Bismuth nitrate titration solution reference material CAS No.:10361-44-1 Molecular Formula:
Product Number:PCL-2020DD049-1L reference material for ammonium thiocyanate titration solution Product Name:reference material for ammonium thiocyanate titration solution CAS No.:1762-95-4 Molecular Formula:
Product Number:PCL-2020DD130-500ml Sulphuric acid titration solution reference material Product Name:Sulphuric acid titration solution reference material CAS No.:N/A Molecular Formula:
Product Number:PCL-2020DD083-500ml reference materials for iodine titration solutions Product Name:reference materials for iodine titration solutions CAS No.:12190-71-5 Molecular Formula:
Product Number:PCL-2024DD072-500ml Potassium dichromate titration solution reference material Product Name:Potassium dichromate titration solution reference material CAS No.:7778-50-9 Molecular Formula:
Product Number:PCL-2020DD044-500ml Potassium bromate titration solution reference material Product Name:Potassium bromate titration solution reference material CAS No.:7758-01-2 Molecular Formula:
Product Number:PCL-2024DD099-100ml Perchloric acid titration solution reference material Product Name:Perchloric acid titration solution reference material CAS No.:7601-90-3 Molecular Formula:
Product Number:PCL-2020DD121-250ml Barium chloride titration solution reference material Product Name:Barium chloride titration solution reference material CAS No.:10361-37-2 Molecular Formula:
Product Number:PCL-2024DD189-500mL Potassium permanganate titration solution reference material Product Name:Potassium permanganate titration solution reference material CAS No.:N/A Molecular Formula:
Product Number:PCL-2020DD168-500ml reference material of disodium ethylenediaminetetraacetic acid titration solution Product Name:reference material of disodium ethylenediaminetetraacetic acid titration solution CAS No.:6381-92-6 Molecular Formula:
Product Number:PCL-2024DD021-500mL reference material for hydrochloric acid titration solution Product Name:reference material for hydrochloric acid titration solution CAS No.:7647-01-0 Molecular Formula:
Product Number:PCL-2020DD073-1L reference material for sodium hydroxide titration solution Product Name:reference material for sodium hydroxide titration solution CAS No.:1310-73-2 Molecular Formula:
Product Number:PCL-2020DD084-500ml Potassium iodate titration solution reference material Product Name:Potassium iodate titration solution reference material CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ516-1ml 2,2',3,3',4,4',5,5',6,6'-decachlorobiphenyl solution in hexane Product Name:2,2',3,3',4,4',5,5',6,6'-decachlorobiphenyl solution in hexane CAS No.:2051-24-3 Molecular Formula:
Product Number:PCL-2024RY345-10ml*18支 Gardner's color standard solution Product Name:Gardner's color standard solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2024RY532-500ml Ferring's Reagent (B Liquid) Product Name:Ferring's Reagent (B Liquid) CAS No.:N/A Molecular Formula:
Product Number:PCL-2024RY531-500ml Ferring's Reagent (Liquid A) Product Name:Ferring's Reagent (Liquid A) CAS No.:N/A Molecular Formula:
Product Number:D155475-25g Dicyclohexylmethane 4,4'-diisocyanate (mixture of isomers) Product Name:Dicyclohexylmethane 4,4'-diisocyanate (mixture of isomers) CAS No.:5124-30-1 Molecular Formula:
Product Number:GBW(E)082549 Standard substance for hydrochloric acid titration solution Product Name:Standard substance for hydrochloric acid titration solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2024RY739-100ml 2,2-Diphenyl-1-picrylhydrazyl solution in anhydrous ethanol Product Name:2,2-Diphenyl-1-picrylhydrazyl solution in anhydrous ethanol CAS No.:1898-66-4 Molecular Formula:
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