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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:100787 Nedaplatin Product Name:Nedaplatin CAS No.:100787-N/A Molecular Formula:
Product Number:100786 Draxemide impurity A (4-(3-methylphenylamino)-3-pyridinesulfonamide) Product Name:Draxemide impurity A (4-(3-methylphenylamino)-3-pyridinesulfonamide) CAS No.:100786-N/A Molecular Formula:
Product Number:100784 Metadoxine Product Name:Metadoxine CAS No.:100784-N/A Molecular Formula:
Product Number:100783 Propranolol hydrochloride Product Name:Propranolol hydrochloride CAS No.:3506-09-0 Molecular Formula:
Product Number:100782 Azasetron hydrochloride Product Name:Azasetron hydrochloride CAS No.:100782-N/A Molecular Formula:
Product Number:100791 Rilanaphthenate Product Name:Rilanaphthenate CAS No.:100791-N/A Molecular Formula:
Product Number:100790 Citalopram hydrobromide Product Name:Citalopram hydrobromide CAS No.:100790-N/A Molecular Formula:
Product Number:100778 Zoledronic acid Product Name:Zoledronic acid CAS No.:118072-93-8 Molecular Formula:
Product Number:100777 Aceclofenac Product Name:Aceclofenac CAS No.:100777-N/A Molecular Formula:
Product Number:100775 Lamotrigine Product Name:Lamotrigine CAS No.:100775-N/A Molecular Formula:
Product Number:100774 Fluoxetine hydrochloride impurity C Product Name:Fluoxetine hydrochloride impurity C CAS No.:100774-N/A Molecular Formula:
Product Number:100773 Zidovudine impurity B Product Name:Zidovudine impurity B CAS No.:100773-N/A Molecular Formula:
Product Number:100772 Zidovudine impurity A Product Name:Zidovudine impurity A CAS No.:100772-N/A Molecular Formula:
Product Number:100771 Benadryl Product Name:Benadryl CAS No.:100771-N/A Molecular Formula:
Product Number:130597 5-Mercapto-1-sulfomethyltetrazole (3-TSA) Product Name:5-Mercapto-1-sulfomethyltetrazole (3-TSA) CAS No.:# Molecular Formula:
Product Number:100781 Glimepiride impurity 1 (ethyl 4-[2-(3-ethyl-4-methyl-2-oxo-3-pyrrolidine-1-carboxamido)ethyl]benzenesulfonamide formate) Product Name:Glimepiride impurity 1 (ethyl 4-[2-(3-ethyl-4-methyl-2-oxo-3-pyrrolidine-1-carboxamido)ethyl]benzenesulfonamide formate) CAS No.:100781-N/A Molecular Formula:
Product Number:100780 Fenazopyridine hydrochloride Product Name:Fenazopyridine hydrochloride CAS No.:100780-N/A Molecular Formula:
Product Number:130599 Enoxacin gluconate Product Name:Enoxacin gluconate CAS No.:# Molecular Formula:
Product Number:130595 6-aminopenicillanic acid Product Name:6-aminopenicillanic acid CAS No.:551-16-6 Molecular Formula:
Product Number:130594 Iso-Parmesan Product Name:Iso-Parmesan CAS No.:# Molecular Formula:
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