Tiacrilast

Modify Date: 2025-08-25 18:08:10

Tiacrilast Structure
Tiacrilast structure
 Common Name Tiacrilast
CAS Number 78299-53-3 Molecular Weight 262.28400
Density 1.38g/cm3 Boiling Point 499.3ºC at 760 mmHg
Molecular Formula C12H10N2O3S Melting Point N/A
MSDS N/A Flash Point 255.8ºC

 Names

Name (E)-3-(6-methylsulfanyl-4-oxoquinazolin-3-yl)prop-2-enoic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.38g/cm3
Boiling Point 499.3ºC at 760 mmHg
Molecular Formula C12H10N2O3S
Molecular Weight 262.28400
Flash Point 255.8ºC
Exact Mass 262.04100
PSA 97.49000
LogP 1.67370
Index of Refraction 1.658

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UD3550000
CHEMICAL NAME :
2-Propenoic acid, 3-(6-(methylthio)-4-oxo-3(4H)-quinazolinyl)-, (E)-
CAS REGISTRY NUMBER :
78299-53-3
LAST UPDATED :
199612
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C12-H10-N2-O3-S
MOLECULAR WEIGHT :
262.30

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 :
>4 gm/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: 10,131,1985
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>1 gm/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: 10,131,1985
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>2 gm/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: 10,131,1985

 Safety Information

HS Code 2933990090

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

TIACRILAST
Ro-22-3747
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