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Justicidin is a naturally occurring lignan found in plants such as Justicia and Linum species. It exhibits various biological activities, including antiviral, anti-inflammatory, and anticancer effects. Research suggests it may inhibit the growth of cancer cells and pathogens by interfering with DNA and protein synthesis, though it is primarily studied in the context of natural product chemistry and pharmacognosy rather than as a mainstream drug.
Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Kaempferol and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Kaempferol impurities, metabolites, nitrosamine derivatives (N-NO compounds), and stable isotope-labeled products. These reference standards play a critical role in pharmaceutical R&D, supporting activities such as product formulation, ANDA and DMF submissions, quality assurance, analytical method development, and stability assessments.
All Kaempferol-related substances undergo comprehensive characterization and are delivered with complete Certificates of Analysis and supporting analytical documentation to ensure regulatory adherence. Upon request, we can offer EP/USP traceable standards. Our products are routinely re-evaluated to maintain consistent quality and performance.

Kaempferol
CAT No: CL-KFR-01 CAS No: 520-18-3 Mol Wt: 286.2 Mol F: C15H10O6 Inv Status: Custom Synthesis
Chemical Name: 3,5,7-Trihydroxy-2-(4-hydroxyphenyl)-4H-chromen-4-one
Kaempferol 3-O-Galactoside
CAT No: CL-KFR-02 CAS No: 23627-87-4 Mol Wt: 448.4 Mol F: C21H20O11 Inv Status: Custom Synthesis
Chemical Name: 5,7-Dihydroxy-2-(4-hydroxyphenyl)-3-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-4H-chromen-4-one
Kaempferol-3-Glucuronide
CAT No: CL-KFR-03 CAS No: 22688-78-4 Mol Wt: 462.4 Mol F: C21H18O12 Inv Status: Custom Synthesis
Chemical Name: (2S,3S,4S,5R,6S)-6-((5,7-Dihydroxy-2-(4-hydroxyphenyl)-4-oxo-4H-chromen-3-yl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid
Kaempferol-3-O-(6-Malonyl-Glucoside)
CAT No: CL-KFR-04 CAS No: 81149-02-2 Mol Wt: 534.4 Mol F: C24H22O14 Inv Status: Custom Synthesis
Chemical Name: 3-(((2R,3S,4S,5R,6S)-6-((5,7-Dihydroxy-2-(4-hydroxyphenyl)-4-oxo-4H-chromen-3-yl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-yl)methoxy)-3-oxopropanoic acid
Kaempferol-3-O-(6''-O-p-Coumaroyl)Glucoside
CAT No: CL-KFR-05 CAS No: 20316-62-5 Mol Wt: 594.5 Mol F: C30H26O13 Inv Status: Custom Synthesis
Chemical Name: ((2R,3S,4S,5R,6S)-6-((5,7-Dihydroxy-2-(4-hydroxyphenyl)-4-oxo-4H-chromen-3-yl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-yl)methyl (E)-3-(4-hydroxyphenyl)acrylate
Kaempferol-3-O-Beta-Rutinoside
CAT No: CL-KFR-06 CAS No: 17650-84-9 Mol Wt: 594.5 Mol F: C27H30O15 Inv Status: Custom Synthesis
Chemical Name: 3-[[6-O-(6-Deoxy-a-L-mannopyranosyl)-b-D-glucopyranosyl]oxy]-5,7-dihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one
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