Etodolic acid, NSC 282126, 1,8-Diethyl-1,3,4,9-tetrahydropyrano[3,4-b]indole-1-acetic acid
Empirical Formula (Hill Notation):
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storage temp.


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Gene Information

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10 mg in poly bottle
50 mg in glass bottle

Biochem/physiol Actions

Non-steroidal anti-inflammatory compound that is a non-selective inhibitor of COX-1 and COX-2.

Features and Benefits

This compound is also offered as part of Sigma′s Library of Pharmacologically Active Compounds (LOPAC®1280), a biologically annotated collection of high-quality, ready-to-screen compounds. Click here to learn more.
This compound was developed by Wyeth. To browse the list of other pharma-developed compounds and Approved Drugs/Drug Candidates, click here.

Other Notes

Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. E0516.pdf Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit sigma.com/metlin.

Legal Information

LOPAC is a registered trademark of Sigma-Aldrich Co. LLC


Skull and crossbones

Signal Word


Hazard Statements


Acute Tox. 3 Oral


6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Certificate of Analysis

Certificate of Origin

S Lynch et al.
Drugs, 31(4), 288-300 (1986-04-01)
Etodolac is a new non-steroidal agent (NSAID) with anti-inflammatory and analgesic activity. It has been studied in rheumatoid arthritis, osteoarthritis, and pain resulting from minor surgery. In the latter setting, etodolac is at least as effective as aspirin in terms...
N Zvaifler
Clinical rheumatology, 8 Suppl 1, 43-53 (1989-03-01)
Etodolac (Lodine, Ramodar, Ultradol), an anti-inflammatory, analgesic agent, is the first of a new class of nonsteroidal anti-inflammatory drugs (NSAIDs), the pyranocarboxylic acids. A review of the literature on numerous clinical studies showed that etodolac (200 to 600 mg/day) is...
D C Brater et al.
Clinical rheumatology, 8 Suppl 1, 25-35 (1989-03-01)
The pharmacokinetics of etodolac, a new nonsteroidal anti-inflammatory drug, were compared in normal subjects, in patients with renal and hepatic disease, and in elderly patients. In 28 normal subjects, orally administered etodolac was rapidly absorbed. By 1.2 hours after ingestion...
Shravan Kumar Tirunagari et al.
The Cochrane database of systematic reviews, (3)(3), CD007357-CD007357 (2009-07-10)
Etodolac is a selective cyclo-oxygenase-2 (COX-2) inhibitor, with evidence of efficacy in osteoarthritis and rheumatoid arthritis. Its analgesic efficacy in postoperative pain has not been clearly established. There are no systematic reviews on Etodolac's use in this condition. To assess...
J A Balfour et al.
Drugs, 42(2), 274-299 (1991-08-01)
Etodolac is a nonsteroidal anti-inflammatory drug (NSAID) effective in the treatment of rheumatoid arthritis, osteoarthritis and ankylosing spondylitis, and in the alleviation of postoperative pain. Etodolac also provides relief of other types of pain, including that arising from gouty conditions...
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