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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:GBW(E)084084 Standard substance for dimethoate in methanol Product Name:Standard substance for dimethoate in methanol CAS No.:N/A Molecular Formula:
Product Number:GBW(E)084468 Standard substance for methanol solution of carbendazim Product Name:Standard substance for methanol solution of carbendazim CAS No.:N/A Molecular Formula:
Product Number:GBW(E)060979 Pesticide purity standard substance for carbendazim Product Name:Pesticide purity standard substance for carbendazim CAS No.:N/A Molecular Formula:
Product Number:GBW(E)060874 Methyl parathion pesticide purity standard substance Product Name:Methyl parathion pesticide purity standard substance CAS No.:N/A Molecular Formula:
Product Number:GBW(E)060882 Pesticide purity standard substance for tebuconazole Product Name:Pesticide purity standard substance for tebuconazole CAS No.:N/A Molecular Formula:
Product Number:GBW(E)084915 Sulfapyridine in methanol Product Name:Sulfapyridine in methanol CAS No.:N/A Molecular Formula:
Product Number:GBW(E)084589 Methomyl in methanol Product Name:Methomyl in methanol CAS No.:N/A Molecular Formula:
Product Number:GBW(E)085873 Triazolol in methanol Product Name:Triazolol in methanol CAS No.:N/A Molecular Formula:
Product Number:PCL-2024BZ489-500ml Standard solution of pyridine in methanol Product Name:Standard solution of pyridine in methanol CAS No.:N/A Molecular Formula:
Product Number:PCL-2024DD050-1L ethylenediaminetetraacetic acid titrant Product Name:ethylenediaminetetraacetic acid titrant CAS No.:N/A Molecular Formula:
Product Number:PCL-2025RY002-6*30ml lithium chloride ethyl acetate electrolyte Product Name:lithium chloride ethyl acetate electrolyte CAS No.:N/A Molecular Formula:
Product Number:PCL-2021BZ189-500ml Potassium nitrate solution Product Name:Potassium nitrate solution CAS No.: Molecular Formula:
Product Number:GBW(E)084100 Standard substance of tebuconazole solution in methanol Product Name:Standard substance of tebuconazole solution in methanol CAS No.:N/A Molecular Formula:
Product Number:GBW (E)085293-1.2ml Standard substance for atrazine solution in methanol Product Name:Standard substance for atrazine solution in methanol CAS No.:1912-24-9 Molecular Formula:
Product Number:GBW (E)085292-1.2ml Standard substance/Standard substance of atrazine solution in methanol Product Name:Standard substance/Standard substance of atrazine solution in methanol CAS No.:1912-24-9 Molecular Formula:
Product Number:PCL-2025RY001-1L standard solution of potassium chloride Product Name:standard solution of potassium chloride CAS No.:N/A Molecular Formula:
Product Number:PCL-2024748-500ml ethanol hydrochloride fractionating solution Product Name:ethanol hydrochloride fractionating solution CAS No.:N/A Molecular Formula:
Product Number:BW902998 Ethylene oxide in water Product Name:Ethylene oxide in water CAS No.:N/A Molecular Formula:
Product Number:PCL-2024RY348-100ml p-Dimethylaminobenzaldehyde test solution in ethanol Product Name:p-Dimethylaminobenzaldehyde test solution in ethanol CAS No.:N/A Molecular Formula:
Product Number:PCL-2025BZ001-2ml Standard solution of terephthalic acid in methanol Product Name:Standard solution of terephthalic acid in methanol CAS No.:N/A Molecular Formula:
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