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Milrinone
Cas No: 78415-72-2
USD $ 1.0-1.0 / Kilogram 1 Kilogram 30 Kilogram/Month HANWAYS CHEMPHARM CO.,LIMITED Contact Supplier
Milrinone
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No Data 1 Kilogram 100 Kilogram/Month Shanghai Huachu Industrial Co. Ltd Contact Supplier
Milrinone
Cas No: 78415-72-2
USD $ 3.0-3.0 / Kilogram 1 Kilogram 1-100 Metric Ton/Month Hangzhou Dayangchem Co., Ltd. Contact Supplier
High quality Milrinone with best price
Cas No: 78415-72-2
No Data 10 Gram 200 Kilogram/Month Hubei Jusheng Technology Co., Ltd., Contact Supplier
USP/EP standard Milrinone CAS 78415-72-2 supplied by manufacturer
Cas No: 78415-72-2
USD $ 8.0-15.0 / Gram 100 Gram 150 Kilogram/Month Wuhan Fortuna Chemical Co.,Ltd Contact Supplier
Milrinone
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High quality Milrinone supplier in China
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99% Pharmaceutical Intermediate Milrinone For Congestive Heart Failure
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USD $ 0.9-1.0 / Gram 10 Gram 1000 Kilogram/Month Hubei Yuancheng Saichuang Technology Co., Ltd Contact Supplier
Milrinone
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No Data No Data No Data Chemwill Asia Co., Ltd. Contact Supplier
Pharmaceutical intermediates Milrinone(CAS No. 78415-72-2) Supply
Cas No: 78415-72-2
USD $ 3.0-3.0 / Gram 1 Gram 10000 Kilogram/Week Chengdu Yanxi Import & Export Trading CO.,LTD Contact Supplier

78415-72-2 Usage

Brand name

Primacor (Sterling Winthrop).

Chemical Properties

Crystalline Solid

Positive Inotropic drugs

Milrinone, also known as bipyridine ketone, methyl cyanide topiramate ketone, is a drug for the treatment of heart failure ,it is a homolog of amrinone, having positive inotropic and vasodilatory effects, its mechanism of action is the same as ammonia milrinone , but the strength of its effect is 10 to 30 times of amrinone,without side effects of reducing platelets,it is well tolerated. Oral or intravenous way has a good effect, it can increase cardiac output and cardiac index, reduce left ventricular end diastolic pressure, pulmonary wedge pressure and right atrial pressure, it has no significant effect on blood pressure and heart rate,it takes effect within 0.5 hours after oral administration,and achieves to maximum effect after 1 to 3 hours , the half-life is 2 hours, the effect can be maintained for 4-6 hours, it is mainly metabolically inactivated in the liver , 80% of it is excreted unchanged in the urine. It is clinically used in the treatment of various acute and chronic heart failure,it is effective in digitalis and diuretics invalid refractory heart failure . This product is the same as amrinone, significant short-term effect, long-term efficacy remains to be further confirmed, but the side effects are little.
Compared with amrinone, milrinone has the following characteristics:
1, small doses mainly have positive inotropic effect, vasodilator effect is gradually enhanced while increasing the dose ,its positive inotropic effect accounts for 1/3 of the total effect in the treatment of heart failure, vasodilation effect accounts for2/3 of the total effect.
2,not significantly increasing myocardial oxygen consumption.
3, to improve peripheral circulatory disorders in heart failure, to increase exercise capacity of patients with heart failure and improve their quality of life.
4, for cardiac β receptors in a low-key and reduced β agonistssusceptibility heart failure patients, the drug is still valid.
5, the positive inotropic effect does not produce tachyphylaxis phenomenon.
6, no significant effect on blood pressure and heart rate.
The above information is edited by the Chemicalbook of Tian Ye.

Chemical Properties

Crystallization From Dimethyl formamide monohydrate or ethanol, the melting point> 300 ℃.

Precautions

1, showing ventricular arrhythmia, supraventricular arrhythmias; few are headache, ventricular arrhythmias, weakness, low platelet count, etc; overdose may lead to low blood pressure, tachycardia; occasionally bronchospasm, fever .
2, acute myocardial infarction patients are disabled.
3, patients with hypotension, tachycardia, renal insufficiency, atrial fibrillation or flutter, electrolyte imbalance, drug-induced arrhythmias, kidney disease, severe aortic or pulmonary valve disease , pregnant women, lactating women should use with caution.
4,the elimination half-life of this product is significantly prolonged in patients with renal insufficiency , it should be reduced in patients with renal insufficiency, and the infusion rate should be slow . Elderly patients do not need to adjust the dose.

Dosage

First dose is slow intravenous injection (50 μg/kg, intravenous injection after dilution, time is not less than 10 min), then with 0.375~0.750 μg/(kg · min), continuous intravenous drip. The maximum daily dose is 1.13 mg/kg. Patients with renal insufficiency reduce the use according to creatinine clearance level, for example, creatinine clearance rate is 20 ml/(min · 1.73 m2), intravenously at a dose of 0.28 μg/(kg · min). 80% of Milrinone is excreted from the kidneys, in general,for renal insufficiency patients, the dose should be halved.

Mechanism

Milrinone is non-digitalis, non-catecholamines cardiac drug , it is representative drug of phosphodiesterase inhibitor,selectively inhibiting phosphodiesterase in myocardial cells, increasing intracellular cyclic adenosine monophosphate, alter intracellular calcium transport, thereby increasing myocardial contractility and expanding peripheral vessel . An increase in myocardial oxygen consumption caused by Milrinone increasing myocardial contractility may be offset by its vasodilator effect. Milrinone is an ideal drug for the treatment of coronary artery stenosis, decompensated heart failure led by myocardial ischemia . Because milrinone hasβ receptor down features, it is an ideal drug for the treatment of decompensated heart failure in patients applying β-blocker . Because milrinone has effect on expanding small arteries and veins, it is more beneficial than dobutamine for the traetment of decompensated heart failure with severe pulmonary hypertension .

production method

Method 1: 4-methylpyridine is dissolved in anhydrous diethyl ether, under protection of nitrogen, a solution of phenyl lithium in diethyl ether is added dropwise with stirring at room temperature, the reaction is continued. Nitrogen is stopped, cool to 0 ℃, ethyl acetate is added dropwise at below 10 ℃. With concentrated hydrochloric acid to Ph = 1~2, the aqueous layer is separated, basify with saturated sodium carbonate to Ph = 9, precipitate oil , extract several times with chloroform, dry, chloroform is distilled off, vacuum distillation, collecting 130-132 ℃/1.47kPa of fractions, namely, 1-(4-pyridyl) acetone.
1-(4-pyridyl) acetone, acetonitrile, and N, N-dimethylformamide dimethyl acetal are refluxed together. The solvent is distilled off under reduced pressure, the residue is dissolved in an appropriate amount of chloroform and an alumina column (Soxhlet)is heated at reflux for extraction, concentrate extract, with carbon tetrachloride-cyclohexane (4: 1) recrystallize to give 1-(4-pyridyl)-2-(dimethylamino) ethenyl methyl ketone.
1-(4-pyridyl)-2-(dimethylamino) ethenyl methyl ketone, cyano acetamide, sodium methoxide and dimethyl formamide are heated under reflux, the solvent is distilled off under reduced pressure, the residue is added acetonitrile, warm to dissolve , cool to 10 ℃; the precipitated solid is filtered, dissolve with amount of water, decolorize with charcoal, and acidify with hydrochloric acid 6mol/L to Ph = 6.5~7, the precipitated solid is recrystallized from dimethylformamide to give pale yellow granular crystals, which are milrinone, mp> 300 ℃.
Method 2: use 4-pyridyl acetone as a raw material, after condensation with triethyl orthoformate, it reacts with 2-cyanoacetamide, to obtain milrinone.
Method 3: pyridyl acetone reacts with 2,2-cyano-vinyl ethyl ether reaction to generate milrinone.

Uses

bronchodilator

Biological Activity

Potent cAMP phosphodiesterase inhibitor (IC 50 = 56 nM for inhibition of PDE III). Has inotropic and vasodilator effects following oral or intravenous administration in vivo . Also available as part of the Phosphodiesterase Inhibitor Tocriset™ .

Uses

New non-glycosides non-catecholamines cardiac drug , its function is similar to amrinone ,positive inotropic effect is strong and about 20 to 50 times of amrinone, and it has significant effect on expanding smooth muscle,it can reduce the load on the heart, it can also improve kidney and muscle blood supply. Oral and intravenous are valid, no serious adverse reactions. It is used For severe heart failure such as chronic heart failure and congestive heart failure.

Uses

antidepressant, 5HT reuptake inhibitor

Uses

Selective phosphodiesterase inhibitor with vasodilating and positive inotropic activity. Cardiotonic

Drug Interactions

Patients already receiving angiotensin-converting enzyme inhibitor therapy using milrinone can further improve hemodynamics, but also increase the side effects caused by the blood vessels dilation. Milrinone combinated with mid-dose dobutamine, can enhance the positive inotropic effect, further reducing left ventricular end-diastolic pressure. When there is low blood pressure, milrinone can theoretically combine a larger dose dopamine.
InChI:InChI=1/C12H9N3O/c1-8-11(9-2-4-14-5-3-9)6-10(7-13)12(16)15-8/h2-6H,1H3,(H,15,16)

78415-72-2 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
USP (1443908)  Milrinone  United States Pharmacopeia (USP) Reference Standard 78415-72-2 1443908-500MG 7,634.25CNY Detail
TCI America (M1663)  Milrinone  >98.0%(N) 78415-72-2 1g 3,990.00CNY Detail
TCI America (M1663)  Milrinone  >98.0%(N) 78415-72-2 100mg 690.00CNY Detail

78415-72-2SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name milrinone

1.2 Other means of identification

Product number -
Other names 1,6-Dihydro-2-methyl-6-oxo-(3,4'-bipyridine)-5-carbonitrile

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:78415-72-2 SDS

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