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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-2024SW256-5ml Standard substance for caffeine solution in methanol Product Name:Standard substance for caffeine solution in methanol CAS No.:N/A Molecular Formula:
Product Number:PCL-2024RY166-1ml Vitamin A standard solution Product Name:Vitamin A standard solution CAS No.:68-26-8 Molecular Formula:
Product Number:PCL-2024BZ257-500ml ethanol solution of hydrochloric acid Product Name:ethanol solution of hydrochloric acid CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ258-500ml Hydrogen chloride isopropanol solution Product Name:Hydrogen chloride isopropanol solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ492-50ml Silver single element standard substance Product Name:Silver single element standard substance CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ490-10ml Quality control of fumes in perchloroethylene Product Name:Quality control of fumes in perchloroethylene CAS No.:N/A Molecular Formula:
Product Number:PCL-2020HC065-100ml Phthalate standard buffer (PH buffer/PH buffer solution/potassium hydrogen phthalate pH solution standard substance) Product Name:Phthalate standard buffer (PH buffer/PH buffer solution/potassium hydrogen phthalate pH solution standard substance) CAS No.:N/A Molecular Formula:
Product Number:GBW(E)086344 Sulphuric acid titration solution standard substance Product Name:Sulphuric acid titration solution standard substance CAS No.:N/A Molecular Formula:
Product Number:PCL-2023BZ007-20ml Hydrogen sulfide solution standard substance Product Name:Hydrogen sulfide solution standard substance CAS No.: Molecular Formula:
Product Number:PCL-2023BZ093-100ml Potassium single element solution standard, 1000ug/ml Medium: 1% HCl Product Name:Potassium single element solution standard, 1000ug/ml Medium: 1% HCl CAS No.:N/A Molecular Formula:
Product Number:PCL-2024RY621-500ml Neutral ethanol solution Product Name:Neutral ethanol solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2021SY195-100ml Dinitrophenylhydrazine ethanol test solution Product Name:Dinitrophenylhydrazine ethanol test solution CAS No.: Molecular Formula:
Product Number:PCL-2024RY119-500ml Potassium iodide-methanol solution Product Name:Potassium iodide-methanol solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ093-3ml Phosphoric acid solution Product Name:Phosphoric acid solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ092-3ml Phosphite solution Product Name:Phosphite solution CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ321-500ml Standard solution of sodium thiosulfate Product Name:Standard solution of sodium thiosulfate CAS No.:N/A Molecular Formula:
Product Number:PCL-2023DD960-500ml Potassium hydroxide titration solution made from ethanol Product Name:Potassium hydroxide titration solution made from ethanol CAS No.:1310-58-3 Molecular Formula:
Product Number:PCL-2020DD081-500ml (1/2 I2)=0.05mol/L Product Name:(1/2 I2)=0.05mol/L CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ266-1ml Perfluorooctane sulfonamide standard solution Product Name:Perfluorooctane sulfonamide standard solution CAS No.:754-91-6 Molecular Formula:
Product Number:PCL-2024BZ267-1ml Standard solution of 1,1,2,2-tetrahydroperfluorododecanol Product Name:Standard solution of 1,1,2,2-tetrahydroperfluorododecanol CAS No.:865-86-1 Molecular Formula:
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