2,4(1H,3H)-Quinazolinedione,8-methyl-

Modify Date: 2025-09-29 10:15:43

2,4(1H,3H)-Quinazolinedione,8-methyl- Structure
2,4(1H,3H)-Quinazolinedione,8-methyl- structure
Common Name 2,4(1H,3H)-Quinazolinedione,8-methyl-
CAS Number 67449-23-4 Molecular Weight 176.17200
Density 1.28g/cm3 Boiling Point 485.2ºC at 760mmHg
Molecular Formula C9H8N2O2 Melting Point N/A
MSDS N/A Flash Point 247.2ºC

 Names

Name 8-methyl-1H-quinazoline-2,4-dione
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.28g/cm3
Boiling Point 485.2ºC at 760mmHg
Molecular Formula C9H8N2O2
Molecular Weight 176.17200
Flash Point 247.2ºC
Exact Mass 176.05900
PSA 65.72000
LogP 0.52480
Index of Refraction 1.576
InChIKey WFDHXKXFTSQIMG-UHFFFAOYSA-N
SMILES Cc1cccc2c(=O)[nH]c(=O)[nH]c12

 Safety Information

Hazard Codes Xi
HS Code 2933990090

 Synthetic Route

~76%

2,4(1H,3H)-Quinazolinedione,8-methyl- Structure

2,4(1H,3H)-Quin...

CAS#:67449-23-4

Literature: Pfizer Inc. Patent: US4085213 A1, 1978 ;

~77%

2,4(1H,3H)-Quinazolinedione,8-methyl- Structure

2,4(1H,3H)-Quin...

CAS#:67449-23-4

Literature: Smits, Rogier A.; Lim, Herman D.; Van Der Meer, Tiffany; Kuhne, Sebastiaan; Bessembinder, Karin; Zuiderveld, Obbe P.; Wijtmans, Maikel; De Esch, Iwan J.P.; Leurs, Rob Bioorganic and Medicinal Chemistry Letters, 2012 , vol. 22, # 1 p. 461 - 467

~82%

2,4(1H,3H)-Quinazolinedione,8-methyl- Structure

2,4(1H,3H)-Quin...

CAS#:67449-23-4

Literature: Sharafi-Kolkeshvandi, Mahnaz; Nikpour, Farzad Chinese Chemical Letters, 2012 , vol. 23, # 4 p. 431 - 433

~73%

2,4(1H,3H)-Quinazolinedione,8-methyl- Structure

2,4(1H,3H)-Quin...

CAS#:67449-23-4

Literature: SmithKline Beecham Intercredit B.V. Patent: EP322133 B1, 1991 ; Title/Abstract Full Text Show Details SmithKline Beecham Intercredit B.V. Patent: EP322133 A1, 1989 ;

~%

2,4(1H,3H)-Quinazolinedione,8-methyl- Structure

2,4(1H,3H)-Quin...

CAS#:67449-23-4

Literature: Carna Biosciences Inc.; Crystalgenomics, Inc. Patent: EP2226315 A1, 2010 ; Location in patent: Page/Page column 17 ;

~73%

2,4(1H,3H)-Quinazolinedione,8-methyl- Structure

2,4(1H,3H)-Quin...

CAS#:67449-23-4

Literature: Nikpour, Farzad; Havasi, Forugh; Arzegar, Zeinab Heterocycles, 2012 , vol. 85, # 11 p. 2745 - 2748,4 Title/Abstract Full Text Show Details Nikpour, Farzad; Havasi, Forugh; Arzegar, Zeinab Heterocycles, 2012 , vol. 85, # 11 p. 2745 - 2748

~%

2,4(1H,3H)-Quinazolinedione,8-methyl- Structure

2,4(1H,3H)-Quin...

CAS#:67449-23-4

Literature: Dymek et al. Ann. Univ. Lublin Chem.Abstr., 1953 , vol. 8, p. 65,68, 69 Ann. Univ. Lublin Chem.Abstr., 1957 , p. 6646

 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

8-Methyl-1H-chinazolin-2,4-dion
8-methyl1H-quinazoline-2,4-dione
8-methyl-2,4-quinazolinedione
8-Methyl-quinazoline-2,4-diol
8-methyl-2,4-dioxo-1,2,3,4-tetrahydroquinazoline
8-methylquinazoline-2,4-(1H,3H)-dione
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