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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.

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Product Number Image Product Name CAS No. 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:
Product Number:PCL-2025RY025-500ml Thorium nitrate solution Product Name:Thorium nitrate solution CAS No.:13823-2-5 Molecular Formula:
Product Number:PCL-2021BZ054-1ml Oxidation of chlordane in hexane Product Name:Oxidation of chlordane in hexane CAS No.:N/A Molecular Formula:
Product Number:PCL-2021BZ052-1.2ml Standard solution of heptachlor epoxide in methanol Product Name:Standard solution of heptachlor epoxide in methanol CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ1088-50ml Standard substance for 1,4-dioxane solution in water Product Name:Standard substance for 1,4-dioxane solution in water CAS No.:123-91-1 Molecular Formula:
Product Number:PCL-2025RY010-1L ammonium thiocyanate solution Product Name:ammonium thiocyanate solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2025ZSY001-1L Ammonium iron sulfate indicator solution Product Name:Ammonium iron sulfate indicator solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2025RY009-1L Chloride ion solution standard, 0.025mo1/L Product Name:Chloride ion solution standard, 0.025mo1/L CAS No.:N/A Molecular Formula:
Product Number:PCL-2025RY008-1L Sodium hydroxide solution, 5.5x10-3mo1/L Product Name:Sodium hydroxide solution, 5.5x10-3mo1/L CAS No.:N/A Molecular Formula:
Product Number:PCL-2025RY006-1L Sodium hydroxide solution, 5.5x10-4mo1/L Product Name:Sodium hydroxide solution, 5.5x10-4mo1/L CAS No.:N/A Molecular Formula:
Product Number:PCL-2020HC068-1L Borax standard buffer (buffer solution/PH buffer), in accordance with [2020Chp Part IV General Regulation 0631 pH determination method]; pH=9.18 Product Name:Borax standard buffer (buffer solution/PH buffer), in accordance with [2020Chp Part IV General Regulation 0631 pH determination method]; pH=9.18 CAS No.:N/A Molecular Formula:
Product Number:PCL-2020HC065-1L Phthalate standard buffer (PH buffer/PH buffer solution/potassium hydrogen phthalate pH solution standard), conforms to [2020Chp Four General Rules 0631 pH Measurement Method], pH=4.01. Product Name:Phthalate standard buffer (PH buffer/PH buffer solution/potassium hydrogen phthalate pH solution standard), conforms to [2020Chp Four General Rules 0631 pH Measurement Method], pH=4.01. CAS No.:N/A Molecular Formula:
Product Number:PCL-2020HC066-1L Phosphate standard buffer (pH buffer solution/mixed phosphate pH solution standard substance) Product Name:Phosphate standard buffer (pH buffer solution/mixed phosphate pH solution standard substance) CAS No.:N/A Molecular Formula:
Product Number:PCL-2021BZ210-100ml Benzene standard solution Product Name:Benzene standard solution CAS No.: Molecular Formula:
Product Number:PCL-2024BZ362-100ml Sulfur standard solution Product Name:Sulfur standard solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2025RY040-5ml methyl bromide solution Product Name:methyl bromide solution CAS No.:N/A Molecular Formula:
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