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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:420032 Methylated bicyclic alcohol (bicyclic alcohol impurity II) Product Name:Methylated bicyclic alcohol (bicyclic alcohol impurity II) CAS No.:# Molecular Formula:
Product Number:510070 Atorvastatin calcium impurity A Product Name:Atorvastatin calcium impurity A CAS No.:N/A Molecular Formula:
Product Number:420034 Irsogladine maleate Product Name:Irsogladine maleate CAS No.:# Molecular Formula:
Product Number:171319 Escitalopram oxalate impurity V Product Name:Escitalopram oxalate impurity V CAS No.:63284-72-0 Molecular Formula:
Product Number:PCL-#-M948-20mg Rohypnol Product Name:Rohypnol CAS No.:88930-15-8 Molecular Formula:
Product Number:121021 Commiphora Product Name:Commiphora CAS No.:# Molecular Formula:
Product Number:420030 indole-3-carbaldehyde Product Name:indole-3-carbaldehyde CAS No.:487-89-8 Molecular Formula:
Product Number:510079 Fluoromethylquin Product Name:Fluoromethylquin CAS No.:42835-25-6 Molecular Formula:
Product Number:111694 Methyl heptacarbonate Product Name:Methyl heptacarbonate CAS No.:111694-N/A Molecular Formula:
Product Number:111695 Sophora japonica glycoside Product Name:Sophora japonica glycoside CAS No.:152-95-4 Molecular Formula:
Product Number:510077 Moxifloxacin hydrochloride impurity E Product Name:Moxifloxacin hydrochloride impurity E CAS No.:721970-36-1 Molecular Formula:
Product Number:111696 liensinine perchlorate Product Name:liensinine perchlorate CAS No.:111696-N/A Molecular Formula:
Product Number:111697 Duck foot phylline Product Name:Duck foot phylline CAS No.:111697-N/A Molecular Formula:
Product Number:PCL-#-Hy391-20mg isoferulic acid Product Name:isoferulic acid CAS No.:537-73-5 Molecular Formula:
Product Number:510075 Moxifloxacin hydrochloride impurity b Product Name:Moxifloxacin hydrochloride impurity b CAS No.:# Molecular Formula:
Product Number:510076 Moxifloxacin hydrochloride impurity c Product Name:Moxifloxacin hydrochloride impurity c CAS No.:# Molecular Formula:
Product Number:111699 Alpinia galangin Product Name:Alpinia galangin CAS No.:548-83-4 Molecular Formula:
Product Number:510073 Candesartan cilexetil impurity I Product Name:Candesartan cilexetil impurity I CAS No.:# Molecular Formula:
Product Number:510074 Moxifloxacin hydrochloride impurity a Product Name:Moxifloxacin hydrochloride impurity a CAS No.:# Molecular Formula:
Product Number:PCL-#-Sa302-100mg Salicylic acid Product Name:Salicylic acid CAS No.:69-72-7 Molecular Formula:
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