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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:510126 Acemetacin impurity C Product Name:Acemetacin impurity C CAS No.:# Molecular Formula:
Product Number:PCL-#-Ad100-50mg adamantane Product Name:adamantane CAS No.:281-23-2 Molecular Formula:
Product Number:110900 Ancestral hemp methocarbamol Product Name:Ancestral hemp methocarbamol CAS No.:110900-N/A Molecular Formula:
Product Number:101191 Gliclazide impurityⅠ Product Name:Gliclazide impurityⅠ CAS No.:101191-N/A Molecular Formula:
Product Number:101190 Propafenone hydrochloride Product Name:Propafenone hydrochloride CAS No.:101190-N/A Molecular Formula:
Product Number:101199 xanthone Product Name:xanthone CAS No.:101199-N/A Molecular Formula:
Product Number:101198 xanthic acid Product Name:xanthic acid CAS No.:101198-N/A Molecular Formula:
Product Number:PCL-#-2024BZ216-250ml 1,4-p-benzoquinone Product Name:1,4-p-benzoquinone CAS No.:106-51-4 Molecular Formula:
Product Number:101196 Iohexol impurity II Product Name:Iohexol impurity II CAS No.:101196-N/A Molecular Formula:
Product Number:101195 ▲ phosphoric acid Product Name:▲ phosphoric acid CAS No.:7664-38-2 Molecular Formula:
Product Number:510130 Montelukast sodium impurity B Product Name:Montelukast sodium impurity B CAS No.:# Molecular Formula:
Product Number:101194 ▲phosphite Product Name:▲phosphite CAS No.:13598-36-2 Molecular Formula:
Product Number:510131 Montelukast sodium impurity C Product Name:Montelukast sodium impurity C CAS No.:# Molecular Formula:
Product Number:140719 sodium adenosine monophosphate Product Name:sodium adenosine monophosphate CAS No.:# Molecular Formula:
Product Number:140718 Sodium deoxyribose guanine nucleotide (G) Product Name:Sodium deoxyribose guanine nucleotide (G) CAS No.:# Molecular Formula:
Product Number:101193 disodium clodronate Product Name:disodium clodronate CAS No.:101193-N/A Molecular Formula:
Product Number:140717 Deoxyribose thymine nucleotide sodium (T) Product Name:Deoxyribose thymine nucleotide sodium (T) CAS No.:# Molecular Formula:
Product Number:101192 Hydroxyurea Product Name:Hydroxyurea CAS No.:127-07-1 Molecular Formula:
Product Number:101139 Clofazimine Product Name:Clofazimine CAS No.:101139-N/A Molecular Formula:
Product Number:101138 Azathioprine impurity Product Name:Azathioprine impurity CAS No.:101138-N/A Molecular Formula:
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