Etodolac CAS 41340-25-4

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Chemical Name: Etodolac
CAS No.: 41340-25-4
Molecular Fomula: C17H21NO3
Molecular weight:287.35
Appearance: neat
Sample: Available

Etodolac CAS# 41340-25-4

Description of Etodolac

Etodolac is a nonsteroidal anti-inflammatory drug (NSAID) approved by the U.S. Food and Drug Administration in January 1991.
As of 2015 the cost for a typical month of medication in the United States is less than 25 USD.

Basic Info of Etodolac

Chemical Name



1,8-Diethyl-1,3,4,9-tetrahydropyrano[3,4-b]indole-1-acetic acid;Hypen;Hypen acid;Ultrado;Lodine;



Molecular Formula


Molecular Weight






Safety Info



Hazard Class


Safety Statements


HS Code


Packing Group


WGK Germany




Risk Statements

R23/24/25; R40

Hazard Codes



Appearance & Physical State

crystalline solid


1.193 g/cm3

Boiling Point

507.9ºC at 760 mmHg

Melting Point


Flash Point



Stable at normal temperatures and pressures.

Storage Condition


Numbering system

MDL number


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What is Etodolac ?

With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is Etodolac which has developed particularly rapidly in recent years. Do you know about Etodolac?

The official answer:Hypen, also known as Hypen, indole pyranoacetic acid and lodine, under the trade name Lodine, is a new generation of highly selective non-steroidal anti-inflammatory drugs for COX-2. It is a weakly acidic drug, in molecular form at lower pH conditions, which facilitates the absorption of the drug. It is used clinically for the treatment of post-surgical pain, analgesic and anti-inflammatory effects, to relieve the symptoms of rheumatoid arthritis and osteoarthritis, to delay the bone pathological changes caused by arthritis, and to selectively inhibit prostaglandin synthesis and anti-inflammation at the site of inflammation. It is particularly suitable for elderly patients. This product is a white crystalline powder with a melting point of 145-148°C.

What’s the application of Etodolac ?

The recommended dose for acute pain is 0.2-0.4g every 8 hours, the maximum daily dose should not exceed 1.2g. The maximum daily dose should not exceed 20mg/kg body weight in patients under 60kg. Hypen still has an analgesic effect in some patients.2. For chronic diseases: e.g. osteoarthritis, rheumatoid arthritis: the recommended dose is 0.4-1.2g daily, divided into oral doses, the maximum daily dose should not exceed 1.2g, and for people weighing over 60kg, the maximum daily dose should not exceed 20mg/kg body weight. Doses of etodolac below 0.4g daily, administered orally in divided doses, or 0.4g or 0.6g per night, have shown some efficacy in some patients.


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