Doqualast

Modify Date: 2025-08-25 12:46:41

Doqualast Structure
Doqualast structure
Common Name Doqualast
CAS Number 64019-03-0 Molecular Weight 240.21400
Density 1.46g/cm3 Boiling Point 524.4ºC at 760 mmHg
Molecular Formula C13H8N2O3 Melting Point N/A
MSDS N/A Flash Point 271ºC

 Names

Name 11-oxopyrido[2,1-b]quinazoline-2-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.46g/cm3
Boiling Point 524.4ºC at 760 mmHg
Molecular Formula C13H8N2O3
Molecular Weight 240.21400
Flash Point 271ºC
Exact Mass 240.05300
PSA 71.67000
LogP 1.54590
Index of Refraction 1.715
InChIKey HMZDSBSMNLBGIW-UHFFFAOYSA-N
SMILES O=C(O)c1ccc2nc3ccccn3c(=O)c2c1

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UV1176750
CHEMICAL NAME :
11H-Pyrido(2,1-b)quinazolone-2-carboxylic acid, 11-oxo-
CAS REGISTRY NUMBER :
64019-03-0
LAST UPDATED :
199612
DATA ITEMS CITED :
5
MOLECULAR FORMULA :
C13-H8-N2-O3
MOLECULAR WEIGHT :
240.23

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>3 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GWXXBX German Offenlegungsschrift Patent Document. (U.S. Patent and Trademark Office, Foreign Patents, Washington, DC 20231) Volume(issue)/page/year: #3902639
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>800 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
GWXXBX German Offenlegungsschrift Patent Document. (U.S. Patent and Trademark Office, Foreign Patents, Washington, DC 20231) Volume(issue)/page/year: #3902639 ** REPRODUCTIVE DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
4400 mg/kg
SEX/DURATION :
multigeneration
TOXIC EFFECTS :
Reproductive - Maternal Effects - parturition Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - eye/ear
REFERENCE :
TJADAB Teratology, The International Journal of Abnormal Development. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.1- 1968- Volume(issue)/page/year: 38,351,1988
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
4400 mg/kg
SEX/DURATION :
multigeneration
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - musculoskeletal system Reproductive - Specific Developmental Abnormalities - other developmental abnormalities Reproductive - Effects on Newborn - live birth index (measured after birth)
REFERENCE :
TJADAB Teratology, The International Journal of Abnormal Development. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.1- 1968- Volume(issue)/page/year: 38,351,1988
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
4400 mg/kg
SEX/DURATION :
multigeneration
TOXIC EFFECTS :
Reproductive - Effects on Newborn - weaning or lactation index (e.g., # alive at weaning per # alive at day 4)
REFERENCE :
TJADAB Teratology, The International Journal of Abnormal Development. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.1- 1968- Volume(issue)/page/year: 38,351,1988

 Safety Information

HS Code 2933990090

 Precursor & DownStream

Precursor  2

DownStream  0

 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

Docualast [Spanish]
SM 857SE
Doqualastum [Latin]
11-oxo-11H-pyrido[2,1-b]quinazoline-2-carboxylic acid
Doqualast
11H-11-oxo-pyrido [2,1-b]quinazoline-2-carboxylic acid
SM 857
11-Oxo-11H-pyrido(2,1-b)quinazolone-2-carboxylic acid
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