Sucres du squelette et nucléobases

N9-Methyladenine is a purine derivative that has been shown to be an antagonist at the adenosine receptor. It can be synthesized by reacting N6-benzoyladenine with methanol, followed by treatment with aqueous sodium hydroxide and hydrogen peroxide. The molecule is planar, with a neutral pKa of 7.4. Proton and nitrogen NMR spectra were obtained for this compound, which showed it to have two hydrogen bonds and one intermolecular hydrogen bond. The proton resonances are observed at 2.97 ppm (H1) and 3.27 ppm (H2).

3'-Amino-2',3'-dideoxyuridine (3'ADU) is an nucleoside analog that inhibits the growth of tumor cells by blocking the enzymatic reaction required for DNA synthesis. 3'ADU has been shown to be effective in treating immunodeficiency, and has been shown to inhibit the proliferation of cervical cancer cells. 3'ADU also inhibits HIV-1 replication in cultured lymphocytes, but does not affect the viral load in a rat liver microsome assay. The 6-fluoro-3-indoxyl-beta-D-galactopyranoside is a potent antituberculosis drug that belongs to the class of rifamycins. It is the most active of the rifamycins for the treatment of tuberculosis and is metabolized through a number of metabolic transformations including hydrolysis by esterases or glucuronidases, oxidation by cytochrome P450 enzymes, reduction

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Sulfo-Cyanine5 is an analog of Cy7, a very popular fluorophore, therefore this reagent is compatible to a wide range of standard fluorescent instrumentation

6-Chloro-7-methylpurine is a nucleoside analogue that inhibits the multidrug resistance-associated protein (MRP) and the pumps that are responsible for drug efflux. It is useful in the treatment of multidrug resistant organisms, including bacteria, yeast, and protozoa. 6-Chloro-7-methylpurine has been shown to be effective against MRP1 and MRP2, which are important for maintaining drug levels in cells. This compound also inhibits the uptake of drugs by cells. The uptake of 6-chloropurine by humans may be due to its ability to react with thiolate groups on proteins or endogenous substances such as phospholipids or nucleotides. 6-Chloro-7-methylpurine has been shown to inhibit translation in human brain tissue.

Applications 5-Carboxy-2-thiouracil is a possible anti-tumor agent when part of a metal complex.

Cy5 dyes are used for labeling proteins, nucleic acids in biomolecular imaging and fluorescence analysis.

6-Chloro-1,3-dimethyluracil is a nucleoside analog that has been shown to be cytotoxic in vitro. This compound can be synthesized by reacting naphthalene with a nucleophilic nitrogen source, such as sodium carbonate and chlorinating the resulting product with trifluoroacetic acid. 6-Chloro-1,3-dimethyluracil can also be synthesized by reacting malonic acid with cyclen and uridine in the presence of copper metal. The reaction mechanism is believed to involve photoelectron transfer from the copper metal to the uridine ring.

5-Propyl-2-thiouracil (PTU) is a drug used in the treatment of various types of cancer. It is a chemical analogue of thiouracil, but has a different mechanism of action. PTU inhibits the production of tropomyosin, which leads to inhibition of transcriptional regulation and expression of protein genes. PTU also blocks the hydrogen bond between the amino acid glutamine and deoxyribose phosphate backbone, thereby inhibiting translation. Clinical studies have shown that PTU is effective in treating cardiac hypertrophy, renal proximal tubule cells and clinical nephropathy. The use of PTU as a chemotherapeutic agent for cancer treatment has been limited due to its toxicity to animals.

5-Bromo-6-azauracil is a nucleophilic compound that can be used to treat wastewater. It is also able to lyse cells and has been used as an immobilizing agent. The reactive nature of 5-Bromo-6-azauracil enables it to undergo nucleophilic substitutions with amines, which are present in the cell wall and other biomolecules. This process results in the formation of amide bonds, which leads to the inhibition of protein synthesis. 5-Bromo-6-azauracil has shown inhibitory effects on glucans, which may be due to its ability to form covalent bonds with glucose molecules.

4-Thiouracil is a uridine analog and has been shown to inhibit transcriptional regulation by hydrogen bonding with the dna template. 4-Thiouracil is a prodrug that is converted to its active form, thiouracil, which inhibits DNA synthesis and cell proliferation by inhibiting the enzyme topoisomerase II. This results in the formation of abnormal DNA molecules that are not replicated properly. Thiouracil also has photochemical properties due to its ability to absorb light at wavelengths below 400 nm. The photochemical properties of 4-thiouracil have been studied extensively as models for human tissue culture and the study of cancer cells.

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Applications 5-Azauridine (cas# 1476-82-0) is a useful research chemical.

2-Amino-6-bromopurine is a cancer drug that is currently undergoing clinical trials for the treatment of prostate cancer. This drug has shown to be effective in treating prostate cancer cells that are resistant to castration, which are not sensitive to this hormone. 2-Amino-6-bromopurine inhibits DNA polymerase, leading to apoptosis in prostate cancer cells. It also interacts with the thiopurine S-methyltransferase enzyme, which leads to the production of 6-mercaptopurine and 6-thioguanine, which can block DNA synthesis by inhibiting ribonucleotide reductase and thymidylate synthase. 2-Amino-6-bromopurine has been shown to inhibit mutations associated with metastatic castration resistant prostate cancer.

2-Chloroinosine 3',4',6'-triacetate is a reagent, useful intermediate, fine chemical, and speciality chemical. It is used as an important building block in organic synthesis. 2-Chloroinosine 3',4',6'-triacetate can be used as a versatile building block for the synthesis of many other compounds. The high quality and usefulness of this compound make it a good choice for research chemicals.

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DFHO is a Corn homologous ligand that fluoresces yellow upon excitation and is used to image RNA in living cells.

6-Fluoro-9-benzylpurine (6FBP) is a multidrug that inhibits the activity of pump proteins, which are responsible for pumping drugs out of cells. 6FBP binds to the drug-binding site on the protein. This binding prevents the drug from being pumped out of the cell and increases its concentration inside the cell. 6FBP has been shown to be effective against bacteria that have developed resistance through mutation in their efflux pump proteins. It also has a trifluoromethyl group, which facilitates its bonding to DNA and RNA molecules. 6FBP can be synthesized from other chemical compounds such as benzaldehyde or fluoroacetamide.

(E)-5-(2-Bromovinyl)uracil is a drug that has been shown to be effective against leukemic cells. It is a prodrug of 5-bromouracil, which is an antimetabolite and cytotoxic agent. (E)-5-(2-Bromovinyl)uracil has also been shown to be active against solid tumours, such as metastatic colorectal cancer, and bacteria. The mechanism of action involves the irreversible inhibition of the enzyme thymidylate synthase, which catalyzes the conversion of deoxyuridine monophosphate (dUMP) to thymidine monophosphate (dTMP). The drug binds to the dinucleotide phosphate pocket in the enzyme's active site and blocks access by dUMP. This leads to DNA synthesis errors, causing cell death. As a prodrug, it has low toxicity profiles and does not cause bone marrow suppression like

Cy5.5-SE is a cyanine dye, labeling amino-groups in oligonucleotides, peptides, and proteins.

5,6-Diaminouracil sulfate is an amine that is used as a precursor in the production of the anti-cancer drug 5-fluorouracil. It can be synthesized from diaminopyrimidine and uracil. This compound has two amino groups, which are both substituted with hydrogens. The aminouracile group is substituted with a hydrogen and an amino group. 5,6-Diaminouracil sulfate has pyrimidone rings that are fused together to form a six-membered ring.

Synthetic cytokinin; increases post-harvest life of vegetables

2,6-Dichloro-9-isopropylpurine is a hydrogenated purine derivative that belongs to the class of organometallic compounds. It is cytotoxic and causes significant cytotoxicity in colorectal carcinoma cells. The anticancer activity of 2,6-Dichloro-9-isopropylpurine may be due to its ability to inhibit DNA synthesis by cross-coupling with purines or by inhibiting the formation of hydrogen bonds between purines and their adjacent bases. This compound has been shown to be effective in treating wheat leaves infected with fungi, such as Rhizoctonia solani and Fusarium graminearum.

9-[2-(Diethylphosphonomethoxy)ethyl]adenine is a synthetic analog of adenine that is used as a pharmaceutical agent. It is an antiviral drug that prevents the synthesis of DNA and RNA in viruses, including papillomavirus, paramyxovirus, and filtration. 9-[2-(Diethylphosphonomethoxy)ethyl]adenine is also used to treat bromic conjugates and modifications. The chemical formula for this compound is C14H14N4O2P.