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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:101143 Homatropine hydrobromide Product Name:Homatropine hydrobromide CAS No.:101143-N/A Molecular Formula:
Product Number:101142 5-Nitrofurfural diacetate Product Name:5-Nitrofurfural diacetate CAS No.:92-55-7 Molecular Formula:
Product Number:101141 Ketotifen fumarate impurity I (10-methoxy-4-(1-methyl-4-piperidinyl)-4H-benzo[4.5]cyclohepta[1.2-b]thiophen-4-ol) Product Name:Ketotifen fumarate impurity I (10-methoxy-4-(1-methyl-4-piperidinyl)-4H-benzo[4.5]cyclohepta[1.2-b]thiophen-4-ol) CAS No.:101141-N/A Molecular Formula:
Product Number:101140 Chloroiodohydroxyquin system suitability test control Product Name:Chloroiodohydroxyquin system suitability test control CAS No.:101140-N/A Molecular Formula:
Product Number:101129 Chlorothiazide Product Name:Chlorothiazide CAS No.:58-94-6 Molecular Formula:
Product Number:510107 Ibuprofen impurity F Product Name:Ibuprofen impurity F CAS No.:# Molecular Formula:
Product Number:101128 Cortisone Product Name:Cortisone CAS No.:53-06-5 Molecular Formula:
Product Number:510108 Ibuprofen impurity J Product Name:Ibuprofen impurity J CAS No.:# Molecular Formula:
Product Number:PCL-#-D235-1g diethylene glycol Product Name:diethylene glycol CAS No.:111-46-6 Molecular Formula:
Product Number:510105 N2'-deacetyl-N2'-(3-mercapto-1-oxopropyl)medenosine Product Name:N2'-deacetyl-N2'-(3-mercapto-1-oxopropyl)medenosine CAS No.:139504-50-0 Molecular Formula:
Product Number:101126 1,3-Propanediol Product Name:1,3-Propanediol CAS No.:504-63-2 Molecular Formula:
Product Number:510106 Ibuprofen impurity A Product Name:Ibuprofen impurity A CAS No.:# Molecular Formula:
Product Number:101124 2-Mercaptoetomidate Product Name:2-Mercaptoetomidate CAS No.:121-69-7 Molecular Formula:
Product Number:101123 Aminotriacetic acid Product Name:Aminotriacetic acid CAS No.:139-13-9 Molecular Formula:
Product Number:140772 polypropylene zinc Product Name:polypropylene zinc CAS No.:# Molecular Formula:
Product Number:140771 L-creatinine Product Name:L-creatinine CAS No.:305-84-0 Molecular Formula:
Product Number:800009 Listeria monocytogenes for food testing Product Name:Listeria monocytogenes for food testing CAS No.:# Molecular Formula:
Product Number:800008 Cronobacter sakazakii for food testing Product Name:Cronobacter sakazakii for food testing CAS No.:# Molecular Formula:
Product Number:510112 pantoprazole sodium impurity B Product Name:pantoprazole sodium impurity B CAS No.:# Molecular Formula:
Product Number:101133 Difenidol hydrochloride impurity (ene compound) Product Name:Difenidol hydrochloride impurity (ene compound) CAS No.:101133-N/A Molecular Formula:
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