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Product Name: furofenac
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56983-13-2

56983-13-2 structure

56983-13-2 structure

Name: furofenac
Chemical Name: 2-(2-ethyl-2,3-dihydro-1-benzofuran-5-yl)acetic acid
CAS Number: 56983-13-2
Molecular Formula: C₁₂H₁₄O₃
Molecular Weight: 206.23800
Create Date: 2018-04-10 08:00:00
Modify Date: 2025-08-25 12:13:58

Name	2-(2-ethyl-2,3-dihydro-1-benzofuran-5-yl)acetic acid
Synonyms	2-Ethyl-2,3-dihydrobenzofuran-5-acetic acid 5-BENZOFURANACETIC ACID,2,3-DIHYDRO-2-ETHYL EINECS 260-500-1 Furofenac 2-Aethyl-2,3-dihydro-5-benzofuranyl-essigsaeure 2,3-dihydro-2-ethyl-benzofuran-5-yl-acetic acid 2-Ethyl-2,3-dihydro-5-benzofuranacetic acid Sas-650

Density	1.181g/cm3
Boiling Point	356.8ºC at 760mmHg
Molecular Formula	C₁₂H₁₄O₃
Molecular Weight	206.23800
Flash Point	138.7ºC
Exact Mass	206.09400
PSA	46.53000
LogP	2.02720
Index of Refraction	1.552

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DF6423960

CHEMICAL NAME :: 5-Benzofuranacetic acid, 2,3-dihydro-2-ethyl-

CAS REGISTRY NUMBER :: 56983-13-2

BEILSTEIN REFERENCE NO. :: 1375893

LAST UPDATED :: 199612

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C12-H14-O3

MOLECULAR WEIGHT :: 206.26

WISWESSER LINE NOTATION :: T56 BOT&J C2 G1VQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1295 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: DRFUD4 Drugs of the Future. (J.R. Prous, S.A., Apartado de Correos 540, 08080 Barcelona, Spain) V.1- 1975/76- Volume(issue)/page/year: 3,586,1978

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 3557 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: DRFUD4 Drugs of the Future. (J.R. Prous, S.A., Apartado de Correos 540, 08080 Barcelona, Spain) V.1- 1975/76- Volume(issue)/page/year: 3,586,1978

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