China Biggest Manufacturer supply Adenosine CAS NO.58-61-7

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Adenosine Basic information Defination In the body Medical uses Mechanism of action Product Name: Adenosine Synonyms: D-ADENOSINE;AR;(2R,3R,4S,5R)-2-(6-AMINO-PURIN-9-YL)-5-HYDROXYMETHYL-TETRAHYDRO-FURAN-3,4-DIOL;9-BETA-D-RIBOFURANOSYLADENINE;Adenine riboside, Adenine-9-beta-ribofuranoside;ADENOSINE extrapure for biochemistry;9-β-D-Ribofuranosyladenine, Adenine riboside, Adenine-9-β-D-ribofuranoside;ADENINENUCLEOSIDE CAS: 58-61-7 MF: C10H13N5O4 MW: 267.24 EINECS: 200-389-9 Product Categories: ADENOCARD;nucleoside;Bases & Related Reagents;sy;Antiarrhythmic;API;Pharmaceutical Intermediates;FINE Chemical & INTERMEDIATES;Purine;API intermediates;Nucleosides and their analogs;Nucleic acids;Nucleotides;Inhibitors;Biochemistry;Nucleosides, Nucleotides & Related Reagents Mol File: 58-61-7.mol   Adenosine Chemical Properties Melting point  234-236 °C (lit.) alpha  D11 -61.7° (c = 0.706 in water); 9D -58.2° (c = 0.658 in water) Boiling point  410.43°C (rough estimate) density  1.3382 (rough estimate) refractive index  1.7610 (estimate) storage temp.  2-8°C solubility  Slightly soluble in water, soluble in hot water, practically insoluble in ethanol (96 per cent) and in methylene chloride. It dissolves in dilute mineral acids. form  Crystalline Powder pka 3.6, 12.4(at 25℃) color  White optical activity [α]20/D 70±3°, c = 2% in 5% NaOH Water Solubility  Soluble in water, ammonium hydroxide and dimethyl sulfoxide. Insoluble in ethanol. Merck  14,153 BRN  93029 Stability: Stable. Incompatible with strong oxidizing agents. InChIKey OIRDTQYFTABQOQ-KQYNXXCUSA-N CAS DataBase Reference 58-61-7(CAS DataBase Reference) NIST Chemistry Reference adenosine(58-61-7) EPA Substance Registry System Adenosine (58-61-7)   Safety Information Risk Statements  36/37/38 Safety Statements  24/25-36/37/39-26 WGK Germany  2 RTECS  AU7175000 F  10-23 TSCA  Yes HS Code  29389090 Hazardous Substances Data 58-61-7(Hazardous Substances Data) Toxicity LD50 oral in mouse: > 20gm/kg MSDS Information Provider Language Adenosine English SigmaAldrich English ACROS English ALFA English   Adenosine Usage And Synthesis Defination Adenosine is a natural nucleotide, which is the intermediate product of metabolism, chemically 6-amino-9-beta-D-ribofuranosyl-9-H-purine. Adenosine is one of the important active components in the body, helps in cellular energy transfer by forming molecules like adenosine triphosphate (ATP) and adenosine diphosphate (ADP). It also plays a role in signaling various pathways and functions in the body by forming signally molecules like cyclic adenosine monophosphate (cAMP). In the body Adenosine in the body Function Brain Promoting sleep and suppresses arousal acting as a central nervous system depressant. Heart Causing dilation of the coronary blood vessels that Improving blood circulation to the heart; Increasing the diameter of blood vessels in the peripheral organs; Decreasing heart rate Blood Broken down by adenosine deaminase. By taking medicine like Dipyridamole(inhibitor of adenosine deaminase), it can improve blood flow through the coronary blood vessels that supply the heart muscles. Kidneys, lungs and liver In the kidneys adenosine decreases renal blood flow and decrease the production of rennin from the kidneys. In the lungs it causes constriction of airways and in the liver it leads to constriction of blood vessels and increases breakdown of glycogen to form glucose. Medical uses Adenosine has a role in the expansion of coronary artery and myocardial contractility, is clinically applied in the treatment of angina, hypertension, cerebrovascular disorders, stroke sequelae, muscular atrophy, etc. It is also given intravenously (by IV) for treating supraventricular tachycardia and Tl myocardial imaging. It is also used for cardiac stress tests.   Side effects: Since the half-life of this compound is less than 10 seconds, its side effects are usually transient. However, side effects are common, and include flushing, headache, chest discomfort, bronchoconstriction, and occasionally hypotension. Hepatic and renal failure and other drugs except dipyridamole seem to have little effect on the action of adenosine.     Adenosine dose     Mechanism of action Its function is realized through the activation of the adenosine receptor (A receptor). Adenosine activates G protein coupled potassium channels by binding to the A receptor which makes increasing the outflow of K+ and cell membrane hyperpolarization so as to decrease the automaticity in the atrium, sinoatrial node and atrioventricular node. It can also significantly increase the level of cGMP , prolong ERP of the atrioventricular node and slowing of atrioventricular, depress sympathetic nervous or early and delayed after depolarization induced by isoproterenol and then plays an effective role in arrhythmia. This product has not been classified in I~IV anti arrhythmia medicine. Adenosine receptor A1 receptors, which are found in cardiomyocytes and which are responsible for the inhibition of adenylyl cylase activity which lowers cyclic adenosine monophosphate (AMP) results in sinus slowing, increase in AV node conduction delay, and antagonism of the effects of catecholamines; A2 receptors, which are found in endothelial cells and vascular smooth muscle and are responsible for the enhancement of adenylyl cylase activity and increased cyclic AMP which relaxes smooth muscle. Both negative chronotropic and dromotropic effects of adenosine are cyclic AMP independent (direct action) as well cyclic AMP dependent (indirect action). Chemical Properties Adenosine is an important nucleoside composed of adenine and ribose. White, crystalline, odorless powder, mild, saline, or bitter taste, quite soluble in hot water, practically insoluble in alcohol. Formed by isolation following hydrolysis of yeast nucleic acid. Chemical Properties White or almost white, crystalline powder. Uses adenosine is an amino acid. Studies indicate anti-wrinkle and skinsmoothing capacities. Although little is written about its direct skin benefit, adenosine plays an important role in biochemical processes. As adenosine triphosphate (ATP) and adenosine diphosphate (ADP), it is involved in energy transfer, and as cyclic adenosine monophosphate (cAMP) in signal transduction. Uses antiarrhythmic, cardiac depressant Uses Nucleotide. Definition ChEBI: A ribonucleoside composed of a molecule of adenine attached to a ribofuranose moiety via a beta1N9-glycosidic bond. Definition adenosine: A nucleoside comprisingone adenine molecule linked to ad-ribose sugar molecule. The phosphate-ester derivatives of adenosine,AMP, ADP, and ATP, are of fundamentalbiological importance as carriersof chemical energy. Brand name Adenocard (Astellas); Adenoscan (Astellas). General Description Adenosine is a purine nucleoside and a building block of RNA and many other biomolecules such as adenosine triphosphate and nicotinamide adenine dinucleotide. In the extracellular space, ecto-5′-nucleotidase (CD73) dephosphorylates adenosine triphosphate (ATP) to produce adenosine. Adenosine has four receptors namely A1R, A2AR A2BR and A3R. Adenosine plays a key role in the osteogenic differentiation. A1R induces osteoclast differentiation and A2AR induces osteoblast differentiation. Biological Activity Neurotransmitter that acts as the preferred endogenous agonist at all adenosine receptor subtypes. Biochem/physiol Actions Endogenous neurotransmitter at adenosine receptors. Cardioprotective effects may relate to activation of A1 adenosine receptors. The antiplatelet and anti inflammatory actions of adenosine appear to be mediated via the A2 adenosine receptor. In contrast, adenosine appears to be a pro-inflammatory mediator in asthma and chronic obstructive pulmonary disease (COPD). Clinical Use Adenosine (Adenocard) is an endogenous nucleoside that is a product of the metabolism of adenosine triphosphate. It is used for the rapid termination of supraventricular arrhythmias following rapid bolus dosing. Adenosine is approved for the acute management and termination of supraventricular tachyarrhythmias, including A-V nodal reentrant tachycardia and A-V reciprocating tachycardia. Adenosine may be helpful in the diagnosis of atrial flutter. Side effects Adverse reactions to the administration of adenosine are fairly common; however, the short half-life of the drug limits the duration of such events.The most common adverse effects are flushing, chest pain, and dyspnea. Adenosine may induce profound bronchospasm in patients with known reactive airway disease. The mechanism for bronchospasm is unclear, and the effect may last for up to 30 minutes despite the short half-life of the drug. Drug interactions Metabolism of adenosine is slowed by dipyridamole, indicating that in patients stabilized on dipyridamole the therapeutically effective dose of adenosine may have to be increased. Methylxanthines antagonize the effects of adenosine via blockade of the adenosine receptors. Metabolism It is impossible to study adenosine in classical pharmacokinetic studies, since it is present in various forms in all the cells of the body. An efficient salvage and recycling system exists in the body, primarily in erythrocytes and blood vessel endothelial cells. The halflife in vitro is estimated to be less than 10 seconds, and may be even shorter in vivo. Purification Methods Crystallise adenosine from distilled water and dry it at 110o. It has been purified via the picrate, where ethanolic picric acid is added to adenosine and the picrate is filtered off and recrystallised from EtOH. It has m 180-185o(dec). Adenosine is recovered by dissolving 0.4g of the picrate in 80mL of hot H2O, treated with a small quantity of Dowex 1 anion exchange resin in the chloride form, and the resin is filtered off. The filtrate is treated with more resin and filtered again. One equivalent of aqueous NaOH is added to the colourless filtrate which is evaporated to 4mL and cooled to give 0.176g of adenosine m 236o. [Davoll et al. J Chem Soc 967 1948, Davoll & Lowy J Am Chem Soc 73 1650 1951, Beilstein 26 III/IV 3598.] Precautions Patients with second- or third-degree A-V block should not receive adenosine. As indicated previously, the use of adenosine in asthmatic patients may exacerbate the asthmatic symptoms.   Adenosine Preparation Products And Raw materials Preparation Products Vidarabine-->Calcium 5'-ribonucleotide-->N-BENZOYLADENOSINE-->guanosine 3'-(dihydrogen phosphate)-->Adenosine, N-methyl-3'-O-methyl- (9CI)-->2-(6-ethylaminopurin-9-yl)-5-(hydroxymethyl)oxol-->URIDYLIC ACID-->CYTIDINE 3'-MONOPHOSPHATE-->cytidine 2',3'-(hydrogen phosphate)

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Adenosine Basic information Defination In the body Medical uses Mechanism of action Product Name: Adenosine Synonyms: D-ADENOSINE;AR;(2R,3R,4S,5R)-2-(6-AMINO-PURIN-9-YL)-5-HYDROXYMETHYL-TETRAHYDRO-FURAN-3,4-DIOL;9-BETA-D-RIBOFURANOSYLADENINE;Adenine riboside, Adenine-9-beta-ribofuranoside;ADENOSINE extrapure for biochemistry;9-β-D-Ribofuranosyladenine, Adenine riboside, Adenine-9-β-D-ribofuranoside;ADENINENUCLEOSIDE CAS: 58-61-7 MF: C10H13N5O4 MW: 267.24 EINECS: 200-389-9 Product Categories: ADENOCARD;nucleoside;Bases & Related Reagents;sy;Antiarrhythmic;API;Pharmaceutical Intermediates;FINE Chemical & INTERMEDIATES;Purine;API intermediates;Nucleosides and their analogs;Nucleic acids;Nucleotides;Inhibitors;Biochemistry;Nucleosides, Nucleotides & Related Reagents Mol File: 58-61-7.mol   Adenosine Chemical Properties Melting point  234-236 °C (lit.) alpha  D11 -61.7° (c = 0.706 in water); 9D -58.2° (c = 0.658 in water) Boiling point  410.43°C (rough estimate) density  1.3382 (rough estimate) refractive index  1.7610 (estimate) storage temp.  2-8°C solubility  Slightly soluble in water, soluble in hot water, practically insoluble in ethanol (96 per cent) and in methylene chloride. It dissolves in dilute mineral acids. form  Crystalline Powder pka 3.6, 12.4(at 25℃) color  White optical activity [α]20/D 70±3°, c = 2% in 5% NaOH Water Solubility  Soluble in water, ammonium hydroxide and dimethyl sulfoxide. Insoluble in ethanol. Merck  14,153 BRN  93029 Stability: Stable. Incompatible with strong oxidizing agents. InChIKey OIRDTQYFTABQOQ-KQYNXXCUSA-N CAS DataBase Reference 58-61-7(CAS DataBase Reference) NIST Chemistry Reference adenosine(58-61-7) EPA Substance Registry System Adenosine (58-61-7)   Safety Information Risk Statements  36/37/38 Safety Statements  24/25-36/37/39-26 WGK Germany  2 RTECS  AU7175000 F  10-23 TSCA  Yes HS Code  29389090 Hazardous Substances Data 58-61-7(Hazardous Substances Data) Toxicity LD50 oral in mouse: > 20gm/kg MSDS Information Provider Language Adenosine English SigmaAldrich English ACROS English ALFA English   Adenosine Usage And Synthesis Defination Adenosine is a natural nucleotide, which is the intermediate product of metabolism, chemically 6-amino-9-beta-D-ribofuranosyl-9-H-purine. Adenosine is one of the important active components in the body, helps in cellular energy transfer by forming molecules like adenosine triphosphate (ATP) and adenosine diphosphate (ADP). It also plays a role in signaling various pathways and functions in the body by forming signally molecules like cyclic adenosine monophosphate (cAMP). In the body Adenosine in the body Function Brain Promoting sleep and suppresses arousal acting as a central nervous system depressant. Heart Causing dilation of the coronary blood vessels that Improving blood circulation to the heart; Increasing the diameter of blood vessels in the peripheral organs; Decreasing heart rate Blood Broken down by adenosine deaminase. By taking medicine like Dipyridamole(inhibitor of adenosine deaminase), it can improve blood flow through the coronary blood vessels that supply the heart muscles. Kidneys, lungs and liver In the kidneys adenosine decreases renal blood flow and decrease the production of rennin from the kidneys. In the lungs it causes constriction of airways and in the liver it leads to constriction of blood vessels and increases breakdown of glycogen to form glucose. Medical uses Adenosine has a role in the expansion of coronary artery and myocardial contractility, is clinically applied in the treatment of angina, hypertension, cerebrovascular disorders, stroke sequelae, muscular atrophy, etc. It is also given intravenously (by IV) for treating supraventricular tachycardia and Tl myocardial imaging. It is also used for cardiac stress tests.   Side effects: Since the half-life of this compound is less than 10 seconds, its side effects are usually transient. However, side effects are common, and include flushing, headache, chest discomfort, bronchoconstriction, and occasionally hypotension. Hepatic and renal failure and other drugs except dipyridamole seem to have little effect on the action of adenosine.     Adenosine dose     Mechanism of action Its function is realized through the activation of the adenosine receptor (A receptor). Adenosine activates G protein coupled potassium channels by binding to the A receptor which makes increasing the outflow of K+ and cell membrane hyperpolarization so as to decrease the automaticity in the atrium, sinoatrial node and atrioventricular node. It can also significantly increase the level of cGMP , prolong ERP of the atrioventricular node and slowing of atrioventricular, depress sympathetic nervous or early and delayed after depolarization induced by isoproterenol and then plays an effective role in arrhythmia. This product has not been classified in I~IV anti arrhythmia medicine. Adenosine receptor A1 receptors, which are found in cardiomyocytes and which are responsible for the inhibition of adenylyl cylase activity which lowers cyclic adenosine monophosphate (AMP) results in sinus slowing, increase in AV node conduction delay, and antagonism of the effects of catecholamines; A2 receptors, which are found in endothelial cells and vascular smooth muscle and are responsible for the enhancement of adenylyl cylase activity and increased cyclic AMP which relaxes smooth muscle. Both negative chronotropic and dromotropic effects of adenosine are cyclic AMP independent (direct action) as well cyclic AMP dependent (indirect action). Chemical Properties Adenosine is an important nucleoside composed of adenine and ribose. White, crystalline, odorless powder, mild, saline, or bitter taste, quite soluble in hot water, practically insoluble in alcohol. Formed by isolation following hydrolysis of yeast nucleic acid. Chemical Properties White or almost white, crystalline powder. Uses adenosine is an amino acid. Studies indicate anti-wrinkle and skinsmoothing capacities. Although little is written about its direct skin benefit, adenosine plays an important role in biochemical processes. As adenosine triphosphate (ATP) and adenosine diphosphate (ADP), it is involved in energy transfer, and as cyclic adenosine monophosphate (cAMP) in signal transduction. Uses antiarrhythmic, cardiac depressant Uses Nucleotide. Definition ChEBI: A ribonucleoside composed of a molecule of adenine attached to a ribofuranose moiety via a beta1N9-glycosidic bond. Definition adenosine: A nucleoside comprisingone adenine molecule linked to ad-ribose sugar molecule. The phosphate-ester derivatives of adenosine,AMP, ADP, and ATP, are of fundamentalbiological importance as carriersof chemical energy. Brand name Adenocard (Astellas); Adenoscan (Astellas). General Description Adenosine is a purine nucleoside and a building block of RNA and many other biomolecules such as adenosine triphosphate and nicotinamide adenine dinucleotide. In the extracellular space, ecto-5′-nucleotidase (CD73) dephosphorylates adenosine triphosphate (ATP) to produce adenosine. Adenosine has four receptors namely A1R, A2AR A2BR and A3R. Adenosine plays a key role in the osteogenic differentiation. A1R induces osteoclast differentiation and A2AR induces osteoblast differentiation. Biological Activity Neurotransmitter that acts as the preferred endogenous agonist at all adenosine receptor subtypes. Biochem/physiol Actions Endogenous neurotransmitter at adenosine receptors. Cardioprotective effects may relate to activation of A1 adenosine receptors. The antiplatelet and anti inflammatory actions of adenosine appear to be mediated via the A2 adenosine receptor. In contrast, adenosine appears to be a pro-inflammatory mediator in asthma and chronic obstructive pulmonary disease (COPD). Clinical Use Adenosine (Adenocard) is an endogenous nucleoside that is a product of the metabolism of adenosine triphosphate. It is used for the rapid termination of supraventricular arrhythmias following rapid bolus dosing. Adenosine is approved for the acute management and termination of supraventricular tachyarrhythmias, including A-V nodal reentrant tachycardia and A-V reciprocating tachycardia. Adenosine may be helpful in the diagnosis of atrial flutter. Side effects Adverse reactions to the administration of adenosine are fairly common; however, the short half-life of the drug limits the duration of such events.The most common adverse effects are flushing, chest pain, and dyspnea. Adenosine may induce profound bronchospasm in patients with known reactive airway disease. The mechanism for bronchospasm is unclear, and the effect may last for up to 30 minutes despite the short half-life of the drug. Drug interactions Metabolism of adenosine is slowed by dipyridamole, indicating that in patients stabilized on dipyridamole the therapeutically effective dose of adenosine may have to be increased. Methylxanthines antagonize the effects of adenosine via blockade of the adenosine receptors. Metabolism It is impossible to study adenosine in classical pharmacokinetic studies, since it is present in various forms in all the cells of the body. An efficient salvage and recycling system exists in the body, primarily in erythrocytes and blood vessel endothelial cells. The halflife in vitro is estimated to be less than 10 seconds, and may be even shorter in vivo. Purification Methods Crystallise adenosine from distilled water and dry it at 110o. It has been purified via the picrate, where ethanolic picric acid is added to adenosine and the picrate is filtered off and recrystallised from EtOH. It has m 180-185o(dec). Adenosine is recovered by dissolving 0.4g of the picrate in 80mL of hot H2O, treated with a small quantity of Dowex 1 anion exchange resin in the chloride form, and the resin is filtered off. The filtrate is treated with more resin and filtered again. One equivalent of aqueous NaOH is added to the colourless filtrate which is evaporated to 4mL and cooled to give 0.176g of adenosine m 236o. [Davoll et al. J Chem Soc 967 1948, Davoll & Lowy J Am Chem Soc 73 1650 1951, Beilstein 26 III/IV 3598.] Precautions Patients with second- or third-degree A-V block should not receive adenosine. As indicated previously, the use of adenosine in asthmatic patients may exacerbate the asthmatic symptoms.   Adenosine Preparation Products And Raw materials Preparation Products Vidarabine-->Calcium 5'-ribonucleotide-->N-BENZOYLADENOSINE-->guanosine 3'-(dihydrogen phosphate)-->Adenosine, N-methyl-3'-O-methyl- (9CI)-->2-(6-ethylaminopurin-9-yl)-5-(hydroxymethyl)oxol-->URIDYLIC ACID-->CYTIDINE 3'-MONOPHOSPHATE-->cytidine 2',3'-(hydrogen phosphate)

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