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119292-80-7

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119292-80-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 119292-80-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,2,9 and 2 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 119292-80:
(8*1)+(7*1)+(6*9)+(5*2)+(4*9)+(3*2)+(2*8)+(1*0)=137
137 % 10 = 7
So 119292-80-7 is a valid CAS Registry Number.

119292-80-7Relevant articles and documents

Reactions of Anthranilamide with Isocyanates: A New Facile Synthesis of 2,3-Dihydro-5H-oxazoloquinazolin-5-one and 3,4-dihydro-2H,6H-oxazinoquinazolin-6-one

Chern, Ji-Wang,Shish, Fang-Jy,Chang, Chau-Dung,Chan, Chao-Han,Liu, Kang-Chien

, p. 1103 - 1105 (2007/10/02)

2,3-Dihydro-5H-oxazoloquinazolin-5-one 5a was synthesized from anthranilamide 1 and 2-chloroethyl isocyanate either by a direct reflux in methanol, or by stirring at room temperature in acetonitrile leading to the intermediate, 2-(2-chloroethyl ureido)benzamide 6a which was subsequently cyclized on heating with an organic base.However, when compound 6a was refluxed with concentrated hydrochloric acid, it furnished 3-(2-chloroethyl)-2,4-dioxo-1H,3H-quinazoline 2a in a good yields. 3,4-Dihydro-2H,6H-oxazinoquinazolin-6-one 5b, 3-(3-chloropropyl)-2,4-dioxo-1H,3H-quinazoline 2b and 2-(3-chloropropyl ureido)benzamide 6b were obtained similarly from 1 and 3-chloropropyl isocyanate.

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