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Details

Stereochemistry ACHIRAL
Molecular Formula C15H17O3S.Na
Molecular Weight 300.348
Optical Activity NONE
Defined Stereocenters 0 / 0
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of EGUALEN SODIUM

SMILES

[Na+].CCC1=CC(=C2C=C(C=CC=C12)C(C)C)S([O-])(=O)=O

InChI

InChIKey=KXGWXVVNYQOMQZ-UHFFFAOYSA-M
InChI=1S/C15H18O3S.Na/c1-4-11-9-15(19(16,17)18)14-8-12(10(2)3)6-5-7-13(11)14;/h5-10H,4H2,1-3H3,(H,16,17,18);/q;+1/p-1

HIDE SMILES / InChI
Egualen is an azulene derivative developed for the treatment of peptic ulcer and marketed in Japan under the tradename Azuloxa. The drug exerts its antiulcer activity by antagonizing TXA2 production.

Approval Year

TargetsConditions

Conditions

ConditionModalityTargetsHighest PhaseProduct
Primary
AZULOXA

Approved Use

Unknown
Cmax

Cmax

ValueDoseCo-administeredAnalytePopulation
1272 ng/mL
15 mg single, oral
dose: 15 mg
route of administration: Oral
experiment type: SINGLE
co-administered:
EGUALEN plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: UNKNOWN
1417.7 ng/mL
15 mg single, oral
dose: 15 mg
route of administration: Oral
experiment type: SINGLE
co-administered:
EGUALEN plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: UNKNOWN
0.6 μg/mL
10 mg single, oral
dose: 10 mg
route of administration: Oral
experiment type: SINGLE
co-administered:
EGUALEN plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: FED
0.58 μg/mL
15 mg single, oral
dose: 15 mg
route of administration: Oral
experiment type: SINGLE
co-administered:
EGUALEN plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: FED
1.84 μg/mL
30 mg single, oral
dose: 30 mg
route of administration: Oral
experiment type: SINGLE
co-administered:
EGUALEN plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: FED
AUC

AUC

ValueDoseCo-administeredAnalytePopulation
10744.1 ng × h/mL
15 mg single, oral
dose: 15 mg
route of administration: Oral
experiment type: SINGLE
co-administered:
EGUALEN plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: UNKNOWN
11710.9 ng × h/mL
15 mg single, oral
dose: 15 mg
route of administration: Oral
experiment type: SINGLE
co-administered:
EGUALEN plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: UNKNOWN
6 μg × h/mL
10 mg single, oral
dose: 10 mg
route of administration: Oral
experiment type: SINGLE
co-administered:
EGUALEN plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: FED
7.2 μg × h/mL
15 mg single, oral
dose: 15 mg
route of administration: Oral
experiment type: SINGLE
co-administered:
EGUALEN plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: FED
18.2 μg × h/mL
30 mg single, oral
dose: 30 mg
route of administration: Oral
experiment type: SINGLE
co-administered:
EGUALEN plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: FED
T1/2

T1/2

ValueDoseCo-administeredAnalytePopulation
7.8 h
15 mg single, oral
dose: 15 mg
route of administration: Oral
experiment type: SINGLE
co-administered:
EGUALEN plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: UNKNOWN
7.9 h
15 mg single, oral
dose: 15 mg
route of administration: Oral
experiment type: SINGLE
co-administered:
EGUALEN plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: UNKNOWN
4.6 h
10 mg single, oral
dose: 10 mg
route of administration: Oral
experiment type: SINGLE
co-administered:
EGUALEN plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: FED
5.9 h
15 mg single, oral
dose: 15 mg
route of administration: Oral
experiment type: SINGLE
co-administered:
EGUALEN plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: FED
4.4 h
30 mg single, oral
dose: 30 mg
route of administration: Oral
experiment type: SINGLE
co-administered:
EGUALEN plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: FED
Funbound

Funbound

ValueDoseCo-administeredAnalytePopulation
1.7%
EGUALEN plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: UNKNOWN
0.2%
15 mg single, oral
dose: 15 mg
route of administration: Oral
experiment type: SINGLE
co-administered:
EGUALEN plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: MALE
food status: FASTED
Doses

Doses

DosePopulationAdverse events​
1.2 g 1 times / day multiple, oral
Highest studied dose
Dose: 1.2 g, 1 times / day
Route: oral
Route: multiple
Dose: 1.2 g, 1 times / day
Sources:
healthy, ADULT
Health Status: healthy
Age Group: ADULT
Sex: M
Food Status: UNKNOWN
Sources:
PubMed

PubMed

TitleDatePubMed
A ring expansion-annulation strategy for the synthesis of substituted azulenes. Preparation and Suzuki coupling reactions of 1-azulenyl triflates.
2001-04-05
Inhibitory effect of egualen sodium: a new stable derivative of azulene on histamine release from mast cell-like cells in the stomach.
2001

Sample Use Guides

1 tablet (15 mg) or 0.6 g of 2.5% granules twice a day.
Route of Administration: Oral
In Vitro Use Guide
Unknown
Name Type Language
KT 1-32
Preferred Name English
EGUALEN SODIUM
WHO-DD  
Common Name English
1-AZULENESULFONIC ACID, 3-ETHYL-7-(1-METHYLETHYL)-, SODIUM SALT (1:1)
Common Name English
3-ETHYL-7-ISOPROPYL-1-AZULENESULFONIC ACID SODIUM SALT
Common Name English
Egualen sodium [WHO-DD]
Common Name English
AZULETIL SODIUM
Common Name English
SODIUM 3-ETHYL-7-ISOPROPYL-1-AZULENESULFONATE
Systematic Name English
1-AZULENESULFONIC ACID, 3-ETHYL-7-(1-METHYLETHYL)-, SODIUM SALT
Common Name English
Code System Code Type Description
EPA CompTox
DTXSID8048787
Created by admin on Mon Mar 31 21:29:15 GMT 2025 , Edited by admin on Mon Mar 31 21:29:15 GMT 2025
PRIMARY
FDA UNII
3368L0W034
Created by admin on Mon Mar 31 21:29:15 GMT 2025 , Edited by admin on Mon Mar 31 21:29:15 GMT 2025
PRIMARY
EVMPD
SUB32240
Created by admin on Mon Mar 31 21:29:15 GMT 2025 , Edited by admin on Mon Mar 31 21:29:15 GMT 2025
PRIMARY
CAS
97683-31-3
Created by admin on Mon Mar 31 21:29:15 GMT 2025 , Edited by admin on Mon Mar 31 21:29:15 GMT 2025
PRIMARY
SMS_ID
100000124417
Created by admin on Mon Mar 31 21:29:15 GMT 2025 , Edited by admin on Mon Mar 31 21:29:15 GMT 2025
PRIMARY
CHEBI
32137
Created by admin on Mon Mar 31 21:29:15 GMT 2025 , Edited by admin on Mon Mar 31 21:29:15 GMT 2025
PRIMARY
PUBCHEM
23663963
Created by admin on Mon Mar 31 21:29:15 GMT 2025 , Edited by admin on Mon Mar 31 21:29:15 GMT 2025
PRIMARY