Nucleosides

Lamivudine is an antiviral drug that is used as a nucleoside analogue. It is a prodrug that is converted to its active form, which inhibits the viral enzyme reverse transcriptase by interfering with the synthesis of viral DNA. Racemic lamivudine acid (LAM) crystallizes in the form of chains with hydrogen bonds oriented in an impurity plane. The LAM molecule has two substituents, one carboxylate and one oxathiolane group.

Cytidine 5'-diphosphate ethanolamine disodium salt (CDP-ethanolamine) is a nucleotide that is synthesized in the cytosol. It is a precursor for the synthesis of phosphatidylethanolamines, which are important components of cell membranes. CDP-ethanolamine has been shown to be an inhibitor of enzymes, such as diacylglycerol acyltransferase and acetyl-CoA carboxylase. This inhibition leads to lower cellular levels of diacylglycerols and fatty acids, which may be beneficial for metabolic disorders such as hepatic steatosis and bowel disease.

2-Iodo-2’-deoxyadenosine is a novel nucleoside that is a modified adenosine. It has been shown to possess anticancer activity. 2-Iodo-2’-deoxyadenosine has a high degree of cytotoxicity and can induce apoptosis in cancer cells. This drug also inhibits the growth of herpes simplex virus type 1 (HSV) and HIV, which are both types of viruses that infect humans. The antiviral activity may be due to the inhibition of viral DNA synthesis or RNA transcription. 2-Iodo-2’-deoxyadenosine is synthesized from adenine, iodine, and sulfuric acid with high purity and quality. It is not active against bacteria because it does not inhibit bacterial DNA gyrase or topoisomerase IV enzymes.

1-(a-D-Mannopyranosyl)thymine is a phosphoramidite nucleoside with antiviral activity. It is an analog of thymine, in which the oxygen atom at the 5-position has been replaced by a mannose group and the hydroxyl group at the 4-position has been replaced by a methyl group. This compound has shown to have anticancer properties as well as inhibitory effects on HIV replication. Studies have also shown that 1-(a-D-mannopyranosyl)thymine inhibits proliferation and induces apoptosis in human cancer cell lines.

2'-O-Methyladenosine-5'-triphosphate sodium salt is a novel nucleoside phosphoramidite. It is an activator and it can be used in the synthesis of DNA and RNA. The compound has antiviral properties and has been shown to inhibit DNA replication, protein synthesis, and RNA transcription. The compound also inhibits the growth of cancer cells by inducing apoptosis.

1-Hydroxyethyl-2'-deoxyadenosine (1HEDA) is an antiviral drug that inhibits the synthesis of viral DNA by blocking the formation of a ribonucleoside triphosphate intermediate. 1HEDA is a novel monophosphate nucleoside that has been modified to be resistant to phosphodiesterase enzymes and can be used as a chemotherapeutic agent for cancer. 1HEDA has been shown to have anticancer activity in vitro, in vivo, and in human clinical trials.

2'-Deoxy-3'-O-levulinoylthymidine is a novel antiviral agent and a synthetic deoxyribonucleoside that is structurally similar to thymidine. It has been studied in vitro and in vivo for its antiviral activity against various viruses, including HIV type 1, HIV type 2, herpes simplex virus (HSV), varicella zoster virus (VZV), cytomegalovirus (CMV), and influenza A virus. 2'-Deoxy-3'-O-levulinoylthymidine has also shown anticancer properties in vitro. This drug inhibits the synthesis of DNA by competing with other nucleotides for incorporation into DNA during the elongation phase of replication. It also inhibits the synthesis of RNA by competing with other nucleotides for incorporation into RNA during transcription.

N6-Benzoyl-3’-deoxy-5'-O-DMT-3’- fluoroadenosine 2’-CE-phosphoramidite is a novel and activator ribonucleoside with deoxyribonucleosides, diphosphate and phosphoramidites. It is an anti-cancer, antiviral, and antiinflammatory agent. N6-Benzoyl-3’-deoxy-5'-O-DMT-3’ -fluoro adenosine 2’ -CE phosphoramidite has a CAS no.

6-O-[2-(4-Nitrophenyl)ethyl]-2-[(3-pyridyl)pyrrolidin-1- yl]-2’-deoxyinosine is a novel antiviral and anticancer agent that belongs to the class of nucleosides. It is a monophosphate and diphosphate analog of deoxyinosine, which has been modified with a 2-(4-nitrophenyl)ethyl group at the 6 position. This modification prevents phosphorylation by kinases, which inhibits DNA synthesis. The nitro group in 6-O-[2-(4-Nitrophenyl)ethyl]-2-[(3-pyridyl)pyrrolidin-1- yl]-2’-deoxyinosine provides an additional mechanism for inhibiting DNA synthesis by interacting with the DNA minor groove and preventing the binding of DNA polymerase. In addition, this compound has antic

2’-Deoxy-2’-fluoro-N3-(n-dodecyl)uridine (2DFO) is a novel nucleoside analog that is phosphorylated to 2DFP, which is an antiviral drug that has been shown to inhibit the replication of HIV. 2DFO inhibits the activity of DNA polymerase, RNA polymerase, and reverse transcriptase, preventing the synthesis of viral DNA and RNA. This drug also inhibits the activity of human topoisomerase II alpha and beta, which are enzymes involved in replication and transcription. 2DFO binds to purine nucleosides by competitive inhibition at the enzyme active site, preventing the formation of ribonucleotides from deoxyribonucleosides.

2'-deoxy-5'-O-DMT-5-D-uridine 3'-CE phosphoramidite (2'DMTU) is a synthetic nucleoside with anticancer, antiviral and antiretroviral activity. 2'DMTU is a ribonucleotide monophosphate that can be used to modify RNA in the laboratory. It is a modified nucleoside that prevents RNA polymerase from adding onto the DNA strand and has been shown to activate apoptosis in cells that are resistant to anticancer drugs.

1-(β-D-2-Deoxyribofuranosyl)-3-nitropyrrole is a nitrofuranose analog that is used in the synthesis of nucleic acids. It has been shown to be effective as a template for DNA sequencing and as a probe for magnetic resonance spectroscopy. 1-(β-D-2-Deoxyribofuranosyl)-3-nitropyrrole inhibits the polymerase chain reaction by binding to the primer and causing misincorporation at mismatched sites, leading to reduced amplification of the target sequence. This compound also has antiviral properties and can prevent the replication of HIV and other viruses by destabilizing their dna duplexes.

2’-Amino-2’-deoxy-5’-O-DMT-uridine is a modified nucleoside that can be used in the synthesis of DNA. It is an antiviral agent and has shown anticancer activity. This compound is a phosphoramidite, which is a chemical intermediate used in the production of DNA. 2’-Amino-2’-deoxy-5’-O-DMT-uridine may also be used as an activator for DNA polymerase and reverse transcriptase enzymes.

N-(13C-Methyl)adenosine is a modified nucleoside with antiviral activity. It is an analog of adenosine and has been shown to inhibit the replication of DNA viruses, such as herpes simplex virus type 1 and type 2, varicella zoster virus, and cytomegalovirus. This drug has also been found to be effective in animal models against human immunodeficiency virus (HIV) infection. N-(13C-Methyl)adenosine does not inhibit the replication of cellular RNA viruses such as influenza A virus or vesicular stomatitis virus.

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m-Methoxytopolin riboside is a nucleoside that is a phosphoramidite derivative of the natural nucleoside, topolin riboside. This compound has antiviral and anticancer activities. It inhibits viral DNA synthesis and also induces apoptosis in cancer cells. m-Methoxytopolin riboside is modified with a methoxy group at the 3' position of the sugar moiety. This modification prevents incorporation into DNA and RNA, thereby inhibiting viral replication and inducing apoptosis in cancer cells.

4-Chloro-7-(2-C-methyl-b-D-ribofuranosyl)-7H-pyrrolo[2,3-d]pyrimidine is a novel anticancer compound that inhibits the synthesis of DNA, RNA and protein. It is a phosphoramidite monophosphate that can be used in the synthesis of oligonucleotides and DNA. 4CHP is effective against Herpes simplex virus type 1 (HSV1) and cytomegalovirus (CMV). 4CHP also has antiviral activity against influenza A virus.

2'-Deoxyadenosine-5'-triphosphate or dATP, is a nucleotide used by cells to synthesize DNA molecules. 2'-Deoxyadenosine-5'-triphosphate is used in molecular biology techniques and assays as a substrate of the enzyme DNA polymerase, e.g. polymerase chain reaction (PCR), DNA sequencing, pyrosequencing reactions. Salt form of 2'-deoxyadenosine-5'-triphosphate has been used in a newly developed detection system for SARS-CoV-2 that combines bioluminescence in real-time (BART) with reverse-transcriptase loop-mediated amplification (RT-LAMP).