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Gallacetophenone
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Gallacetophenone
073
Gallacetophenone is the acetyl derivative of pyrogallol. It can be synthesized from pyrogallol using zinc chloride and acetic anhydride.
7 ethoxy coumurin 99%
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7 ethoxy coumurin 99%
062
Related Categories Bioactive Small Molecule Alphabetical Index, Bioactive Small Molecules, Biochemicals and Reagents, Cell Biology, Cytochrome P450, More... InChI Key LIFAQMGORKPVDH-UHFFFAOYSA-N mp 88-90 °C(lit.) fluorescence λex 323 nm; λem 386 nm
2 Hydroxy chalcone 98%
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2 Hydroxy chalcone 98%
086
Related Categories Building Blocks, C15 to C38, Carbonyl Compounds, Chemical Synthesis, Ketones, More... InChI Key UDOOPSJCRMKSGL-ZHACJKMWSA-N assay 95% mp 144-150 °C(lit.)
003
Guanine (/ˈɡwɑːnɪn/; or G, Gua) is one of the four main nucleobases found in the nucleic acids DNA and RNA, the others being adenine, cytosine, and thymine (uracil in RNA). In DNA, guanine is paired with cytosine. The guanine nucleoside is called guanosine. With the formula C5H5N5O, guanine is a derivative of purine, consisting of a fused pyrimidine-imidazole ring system with conjugated double bonds. Being unsaturated, the bicyclic molecule is planar.Guanine, along with adenine and cytosine, is present in both DNA and RNA, whereas thymine is usually seen only in DNA, and uracil only in RNA. Guanine has two tautomeric forms, the major keto form (see figures) and rare enol form.
4-METHYL-7-HYDROXYCOUMRIN
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4-METHYL-7-HYDROXYCOUMRIN
001
According to literature data, thiosemicarbazide and Thiazolidinone moieties should enhance biological properties of coumarin. Antioxidant, metal-chelating and antifungal activities of all compounds were investigated and compared to the activity of the starting material, 7-hydroxy-4-methylcoumarin, and were proven to possess potent antioxidant and antifungal activity. In general, thiosemicarbazides showed higher scavenging activity towards DPPH and galvinoxyl radicals than did 4-thiazolidinones and some of them had the same or even better activity than had ascorbic acid itself, depending on the free radical used. In antifungal activity tests towards four foodborne mycotoxigenic fungi, Aspergillus flavus, Aspergillus ochraceus.