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Heterocyclic building blocks

(+)-Etodolac

Also known as Etodolac, (S)-, (S)-etodolac, (S)-(+)-etodolac

CAS 87249-11-4Formula C17H21NO3Molar mass 287.36 g/mol
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(+)-Etodolac chemical structure, C17H21NO3, CAS 87249-11-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
87249-11-4
Formula
C17H21NO3
Molar mass
287.36 g/mol
HS code
293499
Category
Heterocyclic building blocks

What is (+)-Etodolac?

Plain description, key identifiers and synonyms

(S)-etodolac is the S-enantiomer of etodolac. It is a preferential inhibitor of cyclo-oxygenase 2 and a non-steroidal anti-inflammatory, whereas the enantiomer, (R)-etodolac, is inactive. The racemate is commonly used for the treatment of rheumatoid arthritis and osteoarthritis, and for the alleviation of postoperative pain. It has a role as a non-narcotic analgesic and a cyclooxygenase 2 inhibitor. It is an enantiomer of a (R)-etodolac.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-[(1S)-1,8-diethyl-4,9-dihydro-3H-pyrano[3,4-b]indol-1-yl]acetic acid
CAS number
87249-11-4 CAS number cross-checked
Molecular formula
C17H21NO3
UNII
1046G5D6YD
InChIKey
NNYBQONXHNTVIJ-KRWDZBQOSA-N
InChI
InChI=1S/C17H21NO3/c1-3-11-6-5-7-12-13-8-9-21-17(4-2,10-14(19)20)16(13)18-15(11)12/h5-7,18H,3-4,8-10H2,1-2H3,(H,19,20)/t17-/m0/s1
Canonical SMILES
CCc1cccc2c3c([nH]c12)C(CC)(CC(=O)O)OCC3
Isomeric SMILES
CCC1=C2C(=CC=C1)C3=C(N2)[C@](OCC3)(CC)CC(=O)O

Synonyms

  • Etodolac, (S)-
  • (S)-etodolac
  • (S)-(+)-etodolac
  • (+)-Etodolic acid
  • [(1S)-1,8-diethyl-1,3,4,9-tetrahydropyrano[3,4-b]indol-1-yl]acetic acid
  • 2-[(1S)-1,8-diethyl-4,9-dihydro-3H-pyrano[3,4-b]indol-1-yl]acetic acid
  • Pyrano(3,4-b)indole-1-acetic acid, 1,3,4,9-tetrahydro-1,8-diethyl-, (S)-
  • (+)-1,8-Diethyl-1,3,4,9-tetrahydropyrano(3,4-b)indole-1-acetic acid
  • S-Etodolac
  • (+)-[1,8-diethyl-1,3,4,9-tetrahydropyrano[3,4-b]indol-1-yl]acetic acid
  • (S)-2-(1,8-Diethyl-1,3,4,9-tetrahydropyrano[3,4-b]indol-1-yl)acetic acid
  • (+)-(S)-Etodolac
  • (S)-(+)-Etodolic Acid
  • Etodolac (Lodine)
  • 2-[(1S)-1,8-Diethyl-1H,3H,4H,9H-pyrano[3,4-b]indol-1-yl]acetic acid
  • (1S)-1,8-Diethyl-1,3,4,9-tetrahydropyrano(3,4-b)indole-1-acetic acid
  • Pyrano(3,4-b)indole-1-acetic acid, 1,8-diethyl-1,3,4,9-tetrahydro-, (1S)-
  • Pyrano(3,4-b)indole-1-acetic acid, 1,8-diethyl-1,3,4,9-tetrahydro-, (S)-

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
287.36 g/molcalc.
Exact mass
287.1521 Dacalc.
LogP (octanol/water)
3.38calc.
Topological polar surface area
62.32 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
4calc.
Heavy atoms
21calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.47calc.
Formal charge
0calc.
Stereocentres
1calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc2c3c([nH]c2c1)COCC3

c1ccc2c3c([nH]c2c1)COCC3

3 rings, 13 atoms.

67 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

(+)-Etodolac suppliers

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(+)-Etodolac price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Roles

  • analgesic
  • cyclooxygenase 2 inhibitor
  • enzyme inhibitor
  • non-narcotic analgesic
  • pharmaceutical

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code (+)-Etodolac is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

The HS code shown for (+)-Etodolac is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about (+)-Etodolac, based on the data on this page

What is (+)-Etodolac?

(S)-etodolac is the S-enantiomer of etodolac. It is a preferential inhibitor of cyclo-oxygenase 2 and a non-steroidal anti-inflammatory, whereas the enantiomer, (R)-etodolac, is inactive.

What is the CAS number of (+)-Etodolac?

The CAS registry number of (+)-Etodolac is 87249-11-4.

What is the molecular formula and weight of (+)-Etodolac?

The molecular formula of (+)-Etodolac is C17H21NO3 and its molar mass is 287.36 g/mol.

What is (+)-Etodolac used for?

Known uses and roles of (+)-Etodolac include building blocks in research and laboratory, screening compounds in research and laboratory, analgesic, cyclooxygenase 2 inhibitor, enzyme inhibitor and 2 more.

Is (+)-Etodolac hazardous?

No GHS hazard classification for (+)-Etodolac is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of (+)-Etodolac?

(+)-Etodolac is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy (+)-Etodolac?

Post a free request on CompoundList and suppliers of (+)-Etodolac will send you quotes. Your contact details stay private until you accept a quote.

What is the price of (+)-Etodolac?

Suppliers quote (+)-Etodolac on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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