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19178-21-3

19178-21-3 structure
19178-21-3 structure
  • Name: 4(3H)-Quinazolinone, 5,6,7,8-tetrahydro-2-methyl-
  • Chemical Name: 2-methyl-5,6,7,8-tetrahydro-1H-quinazolin-4-one
  • CAS Number: 19178-21-3
  • Molecular Formula: C9H12N2O
  • Molecular Weight: 164.20400
  • Create Date: 2018-12-31 13:13:20
  • Modify Date: 2025-09-26 15:17:50
Name 2-methyl-5,6,7,8-tetrahydro-1H-quinazolin-4-one
Synonyms 2-Methyl-5,6,7,8-tetrahydro-3H-quinazolin-4-one
2-Methyl-5,6,7,8-tetrahydroquinazolin-4-ol
2-Methyl-5,6,7,8-tetrahydro-3H-chinazolin-4-on
5,6,7,8-tetrahydro-2-methyl-4-quinazolone
Density 1.3g/cm3
Boiling Point 291.2ºC at 760 mmHg
Molecular Formula C9H12N2O
Molecular Weight 164.20400
Flash Point 129.9ºC
Exact Mass 164.09500
PSA 45.75000
LogP 0.95710
Vapour Pressure 0.00198mmHg at 25°C
Index of Refraction 1.644

CHEMICAL IDENTIFICATION

RTECS NUMBER :
VA4252000
CHEMICAL NAME :
4(3H)-Quinazolinone, 5,6,7,8-tetrahydro-2-methyl-
CAS REGISTRY NUMBER :
19178-21-3
LAST UPDATED :
198602
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C9-H12-N2-O
MOLECULAR WEIGHT :
164.23

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
400 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CHTPBA Chimica Therapeutica. (Paris, France) V.1-8, 1965-73. For publisher information, see EJMCA5. Volume(issue)/page/year: 2,231,1967
HS Code 2933990090
68965-62-8 structure

68965-62-8

124-42-5 structure

124-42-5

~69%

19178-21-3 structure

19178-21-3

Literature: Yu, Lin; Wang, Min; Li, Pinhua; Wang, Lei Applied Organometallic Chemistry, 2012 , vol. 26, # 11 p. 576 - 582,7
105550-62-7 structure

105550-62-7

~65%

19178-21-3 structure

19178-21-3

Literature: Fueloep, Ferenc; Bernath, Gabor Synthesis, 1985 , # 12 p. 1148 - 1149
124-42-5 structure

124-42-5

1655-07-8 structure

1655-07-8

~%

19178-21-3 structure

19178-21-3

Literature: American Home Products Corporation Patent: US5234936 A1, 1993 ;
143-37-3 structure

143-37-3

1655-07-8 structure

1655-07-8

~%

19178-21-3 structure

19178-21-3

Literature: Baumgarten et al. Journal of the American Chemical Society, 1958 , vol. 80, p. 6609,6611
62360-62-7 structure

62360-62-7

~%

19178-21-3 structure

19178-21-3

Literature: Sedenkova, Kseniya N.; Averina, Elena B.; Grishin, Yuri K.; Kuznetsova, Tamara S.; Zefirov, Nikolay S. Tetrahedron Letters, 2014 , vol. 55, # 2 p. 483 - 485
1404219-84-6 structure

1404219-84-6

~%

19178-21-3 structure

19178-21-3

Literature: Sedenkova, Kseniya N.; Averina, Elena B.; Grishin, Yuri K.; Kuznetsova, Tamara S.; Zefirov, Nikolay S. Tetrahedron Letters, 2014 , vol. 55, # 2 p. 483 - 485
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%
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