ChemicalBook > CAS DataBase List > 7-METHYLQUINAZOLIN-4(1H)-ONE

7-METHYLQUINAZOLIN-4(1H)-ONE

Product Name
7-METHYLQUINAZOLIN-4(1H)-ONE
CAS No.
75844-40-5
Chemical Name
7-METHYLQUINAZOLIN-4(1H)-ONE
Synonyms
7-Methyl-4(3H)-quinazolinone;7-methylquinazolin-4(3H)-one;7-METHYLQUINAZOLIN-4(1H)-ONE;7-METHYL-1H-QUINAZOLIN-4-ONE;7-Methyl-4(1H)-quinazolinone;4(3H)-Quinazolinone, 7-methyl-;4(3H)-Quinazolinone, 7-methyl- >97%
CBNumber
CB32454853
Molecular Formula
C9H8N2O
Formula Weight
160.17
MOL File
75844-40-5.mol
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7-METHYLQUINAZOLIN-4(1H)-ONE Property

storage temp. 
Sealed in dry,Room Temperature
Appearance
Light brown to brown Solid
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P330Rinse mouth.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
S658324
Product name
7-METHYL-4(3H)-QUINAZOLINONE
Purity
Aldrich<sup>CPR</sup>
Packaging
1 unit
Price
$30.7
Updated
2025/07/31
Sigma-Aldrich
Product number
S658324
Product name
7-METHYL-4(3H)-QUINAZOLINONE
Purity
AldrichCPR
Packaging
250MG
Price
$29.8
Updated
2024/03/01
TRC
Product number
M337488
Product name
7-Methylquinazolin-4(3H)-one
Packaging
50mg
Price
$175
Updated
2021/12/16
AK Scientific
Product number
1781AC
Product name
7-Methylquinazolin-4(3H)-one
Packaging
100mg
Price
$84
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
CHM0391652
Product name
7-METHYLQUINAZOLIN-4(3H)-ONE
Purity
95.00%
Packaging
5MG
Price
$501.57
Updated
2021/12/16
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7-METHYLQUINAZOLIN-4(1H)-ONE Chemical Properties,Usage,Production

Synthesis

39549-79-6

77287-34-4

75844-40-5

General procedure for the synthesis of 7-methyl-4(3H)-quinazolinone from 2-amino-4-methylbenzamide (1, 4.0 mmol) and compound (CAS: 77287-34-4, 2, 6.0 mmol): a mixture of 2-amino-4-methylbenzamide (1), formamide (2), Yb(OTf)3 (0.20 mmol, 5.0 mol%) and a mixture of homotrimethylbenzene (5.0 mL) were placed in a 20 mL Pyrex flask, the unit was equipped with a magnetic stir bar and a reflux condenser, and the reaction was carried out under argon protection. The reaction mixture was stirred at 120-165 °C (oil bath temperature) for 6 hours. After completion of the reaction, the mixture was cooled to room temperature and analyzed by GLC, GC-MS (EI) and LC-MS (ESI). After removal of homotrimethylbenzene by evaporation under vacuum, the product (3) was purified by recrystallization from methanol/hexane and/or silica gel medium pressure column chromatography (eluent: ethyl acetate/hexane = 50/50 to 100% ethyl acetate. For 3j, eluent: methanol/chloroform = 50/50). The structures of the products were confirmed by 1H NMR (400 MHz) and 13C NMR (100 MHz, DMSO-d6). The analytical and spectral data of compounds 3a-e, 3f, 3g, 3h and 3j were in agreement with literature reports. The product 3i was characterized as follows.

References

[1] Heterocycles, 2015, vol. 90, # 2, p. 857 - 865

7-METHYLQUINAZOLIN-4(1H)-ONE Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 7-METHYLQUINAZOLIN-4(1H)-ONE manufacturers

ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
Product
7-Methyl-4(1H)-quinazolinone 75844-40-5
Price
US $1.60-9.60/kg
Min. Order
1kg
Purity
99%
Supply Ability
100kg
Release date
2025-06-20

75844-40-5, 7-METHYLQUINAZOLIN-4(1H)-ONERelated Search:

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