Esomeprazole sodium

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1 Gram	Negotiable

1 Gram

Negotiable

Min.Order :1 Gram
Purity: 98%
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Esomeprazole sodium 161796-78-7 manufacturer , better price with good quality

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Appearance:Beige Solid
Application:Organic Chemistry
PackAge:Depended
ProductionCapacity:300|Gram|Month
Storage:KEEP COLD
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Esomeprazole sodium Basic information

Anti-ulcer drug Pharmacokinetics Indications Drug Interactions Dosage Adverse reactions Precautions Application

Product Name:	Esomeprazole sodium
Synonyms:	1H-BENZIMIDAZOLE, 5-METHOXY-2-[[(4-METHOXY-3,5-DIMETHYL-2-PYRIDINYL)METHYL]SULFINYL]-, SODIUM SALT;ESOMEPRAZOLE SODIUM;Esomeprazoleandsalts;5-Methoxy-2-((S)-((4-methoxy-3,5-dimethyl-2-pyridyl)methyl)sulfinyl-1H-benzimidazole sodium salt;(S)-OMeprazole sodiuM;SodiuM (S)-6-Methoxy-2-(((4-Methoxy-3,5-diMethylpyridin-2-yl)Methyl)sulfinyl)benzo[d]iMidazol-1-ide;odiuM (R)-6-Methoxy-2-(((4-Methoxy-3,5-diMethylpyridin-2-yl)Methyl)sulfinyl)benzo[d]iMidazol-1-ide;EsoMeprazole sod
CAS:	161796-78-7
MF:	C34H36MgN6O6S2
MW:	713.12
EINECS:
Product Categories:	ACTIVE PHARMACEUTICAL INGREDIENTS;zjh;Inhibitors
Mol File:	161796-78-7.mol

Esomeprazole sodium Chemical Properties

Safety Information

MSDS Information

Esomeprazole sodium Usage And Synthesis

Anti-ulcer drug	Esomeprazole Sodium is the sodium salt form of esomeprazole. It is a commonly used anti-ulcer drug, which was first successfully developed by the Swedish company Astra Zeneca first. It belongs to a proton pump inhibitor. The proton pump inhibitor is the primary choice for treating peptic ulcer, gastro-oesophageal reflux disease and other acid-related diseases. Currently commonly clinically used PPI include five kinds: omeprazole, lansoprazole, rabeprazole, pantoprazole and esomeprazole. As the first PPI, the omeprazole’s drug efficacy in treating acid-related diseases has been widely recognized. Esomeprazole is the S-isomer of omeprazole, which can reduce gastric acid secretion by specific targeting mechanism. It is the specific inhibitor for the proton pump inhibitor in the parietal cell. Owing to the metabolic advantage of esomeprazole, it has a higher bioavailability and more consistent pharmacokinetics than its counterpart, omeprazole sodium, increasing the drug that reaches the proton pump. Its role of gastric acid control is much better than other proton pumps inhibitors such as lansoprazole, pantoprazole, and rabeprazole. In animal experiments, this product has a dose-dependent inhibition of the Na+/K+ ATP enzyme activity of the isolated rabbit parietal cells with an IC50 of 60 μmol/L. Its efficacy is greater than omeprazole (IC50: 100 μmol/L). Meanwhile, esomeprazole sodium can inhibit histamine-induced 14C aminopyrine accumulation in isolated human parietal cells. Its effect intensity is 2 times of omeprazole. Intravenous or intestinal injections of esomeprazole sodium to the experimental fistulization rats can inhibit gastric acid secretion caused by histamine with the ED50 were 0.24 and 0.43 mg/kg, respectively. For omeprazole with the same way of injection, the ED50 is 0.30 and 0.68 mg / kg, respectively. Using esomeprazole sodium in the gut of pylorus ligated rats enteral use esomeprazole sodium can reduce the basic amount of secreted gastric acid with potency three times larger than that of omeprazole. The drug can prevent and treat the stress or alcohol-induced gastric damage of experimental rats, also can prevent and treat the gastric lesions induced by acetic acid and indomethacin. Its ED50 values were 1.6 and 5.5 mg / kg, respectively. From the above results, the efficacy on ulcers of esomeprazole is greater than that of omeprazole. In addition, experimental data has also shown that when esomeprazole sodium is combined with penicillin and clarithromycin, it can be effectively applied for treating the duodenal and peptic ulcers caused by H. pylori infection. The above information is edited by the Chemicalbook of Dai Xiongfeng.
Pharmacokinetics	After intravenous injection of 5mg/kg 14C-labeled esomeprazole sodium into the SD rats, the half-life of the plasma concentration for female rats is 7.3 h, and 17.4 h for female rats. It can be rapidly absorbed through oral administration. Its plasma level exhibits bimodal peaks at 1h and 4h after taking drugs, respectively. The biliary drainage experiments of rats found that the absorption process after administration have a duration of 24 h or more. The order of concentration of drug in different organs is as below: liver> kidney> lung> blood> fat. For oral administration, the drug is mainly excreted through feces. The pharmacokinetics curve of esomeprazole is linear. When increasing the dose, the AUCs and cmax concurrently increase, while tmax, CL and half-life still keep constant. Esomeprazole sodium has a relative low toxicity. LD50 of rat through oral administration is greater than 5g/kg. For intraperitoneal administration, the LD50 is also over 2.5g/kg. Canine can take a dose 10mg/kg dose per day continuously for 28 d with no obvious abnormalities observed. For rats subjected to continuous medication for 13 weeks at a dose of 80 mg / kg, all the physiological parameters were not changed. The toxicity amount is over 320 mg/kg. In general pharmacological experiments, this product has a extremely small effect on the cardiovascular and autonomic nervous system. It only has a slight effect on the central nervous system at high dosage.
Indications	For the treatment of Gastroesophageal reflux disease (GERD)-erosive reflux esophagitis. Used for long-term maintenance therapy for cured esophagitis patients to prevent recurrence. Symptomatic control of gastroesophageal reflux disease (GERD). Heartburn and combined with other appropriate antimicrobial therapy for totally eradication of Helicobacter pylori-induced gastric and duodenal ulcers.
Drug Interactions	Esomeprazole sodium can reduce the absorption of ketoconazole and itraconazole. When combined with the product, we should reduce the dosages of drugs metabolized by the enzyme CYP2C19 such as diazepam, citalopram, imipramine, clomipramine and phenytoin. When combined with the product or stop using this product, we should also monitor the plasma concentrations of phenytoin. No interaction between the product and the amoxicillin, quinidine or warfarin was observed. No need for dose adjustment when combined with clarithromycin. There is not too much clinical information of excess taking drug. But a single dose of 80 mg of this product has no adverse reactions. This product has no special antidote.
Dosage	This product should be swallowed with water, and cannot be taken after chewing or crushing. Adults: For treatment of erosive reflux esophagitis: 40mg per day. Continuously take for 4 to 8 weeks. For long-term maintenance therapy and prevention of relapse for cured esophagitis patients, the recommended dosage is 20mg per day. For symptomatic CORD without suffering from esophagitis: 20mg per day. Take it for 4 weeks (If fail to control the symptoms, the patient should subject to further observation). Once symptoms have been got controlled, then the can use the dosage as needed for controlling the future symptom, such as 20 mg per day. For the triple associated therapy used for Helicobacter pylori eradication, prevention and cure of duodenal ulcer caused by Helicobacter pylori, and also Helicobacter pylori-induced recurrence of peptic ulcer: 20mg, amoxicillin 1g and clarithromycin 500mg, 2 times a day, medication for 7d. For elderly patients or patients of mild or moderate hepatic impairment, there is no need for dosage adjustment. It should be concerned that the maximal dosage should not exceed 20 mg for patients with severely impaired liver function. Children and lactating women are not recommended for taking this drug.
Adverse reactions	Common adverse reactions (incidence of 1% to 10%) include headache, abdominal pain, diarrhea, gastrointestinal disorders, flatulence, nausea and vomiting, and constipation. Other adverse reactions (incidence of 0.1% to 1%) include dermatitis, itching, hives, dizziness, and dry mouth.
Precautions	Patients who are allergic to Benzimidazole-class drug are not allowed to use esomeprazole sodium. Patients of rare hereditary fructose intolerance, glucose - galactose absorption dysfunction, sucrase-isomaltase deficiency, and also lactation women are not allowed to use this drug. Patients who have severe impaired liver or renal function, long-term treatment, malignant warning before using, and pregnant women should use with caution. When any warning symptoms (such as significant weight loss, recurrent vomiting, dysphagia, vomiting blood or black stools) happens, patients should be checked to exclude the possibility of malignant disorders (such as cancer) due to that treatment can worsen the symptoms and delay diagnosis. Long-term user should be regularly monitored.
Application	Treatment of peptic ulcer, gastroesophageal reflux disease and other acid-related diseases.
Chemical Properties	Beige Solid
Usage	(S)-Omeprazole is the (S)-enantiomer of Omeprazole (O635000) a gastric proton-pump inhibitor. (S)-Omeprazole is more potent that its (R)-enantiomer and is used in the treatment of gastroesophageal ref lux disease as well as gastrointestinal ulcers associated with Crohn's disease.

Esomeprazole sodium Preparation Products And Raw materials

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