Basic Info:

  • Chemical Synonym(s): LOS; nyl)-4-yl)methyl); Compound 89; Losartan; dup89;
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  • CAS Number: 114798-26-4
  • Chemical Formula:



1.35 g/cm3
Boiling Point
682ºC at 760mmHg
Melting Point
Flash Point
Refractive Index
Vapor Pressure
8.63E-20mmHg at 25°C
5-6(at 25℃)
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Our company has a team of specialized pharmaceutical intermediates, and at the same time we have a wealth of plant resources, we know the reactions each plant excels at, know the waste and exhaust gases for each reaction, and understand the costs and methods of treatment. So, we can quickly match the most suitable plant for you From the material in the lab, to commercial production, we can help you get it fast. We divide the entire pharmaceutical intermediate production process into the following sections: 1. Laboratories develop routes 2. Inter test test 3. Large production shop trial production Every step we have a lot of experience and success stories

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We have a long-term stable cooperation with GLP laboratories, encounter customer test results and supplier test results do not match the situation, we will commission a third party to test to ensure the accuracy, authenticity and reliability of the experimental results. In this way, we can effectively control the product quality problems.

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We have a number of international freight companies with whom we have long-standing cooperation, and we can choose several route options according to the customer's requirements. For more difficult or urgent orders, we will prepare several alternative solutions to ensure safe and timely delivery.


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Losartan, also known as Cozaar and Novartis, is the first anti-hypertensive drug of the angiotensin II receptor antagonist (AIIA) class. Its chemical name is 2-butyl-4-chloro-1-[(2-(1-H-tetrazol-5-yl)[1,1-biphenyl]-4-yl)methyl]-1-H-imidazole-5-carboxylic acid, and it is generally a pale yellow solid.

It works by reducing the body's retention of salt and water but ensuring that it gets enough blood to specific parts of your organs and muscles and enough force on the heart.

When first created at Menarini during the 1950s, this was called MK564 because its molecular structure appeared to be similar to quinine or potassium 5-methyldopa from two decades earlier.

However, as time went on, losartan became a more common synthetic drug with increasing cases of success for both glucosuria-type diabetes mellitus patients with high systolic pressure and hypertension sufferers who had been treated with high.


Losartan applies to several different types of disorders, primarily involving the heart and blood vessels.

So it is a good choice for high blood pressure, congestive heart failure, and coronary artery disease. It blocks one of the mechanisms by which arginine causes blood vessels to tighten (increase BP).

There are many other physiological mechanisms involved in the regulation of BP, but this is one common cause.

So Losartan can be used for patients who experience elevated BP due to elevated levels of endogenous arginine vasopressin neurotransmitter receptors and sympathetic nerve activity (which causes muscle contraction and constriction), allowing these processes to create increased tightness. It also helps consumers with diabetes who have secondary hypertension.

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