Cas 1374302-80-3,C17H17NO2

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Check Digit Verification of cas no

The CAS Registry Mumber 1374302-80-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,4,3,0 and 2 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1374302-80:
(9*1)+(8*3)+(7*7)+(6*4)+(5*3)+(4*0)+(3*2)+(2*8)+(1*0)=143
143 % 10 = 3
So 1374302-80-3 is a valid CAS Registry Number.

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1374302-80-3Relevant academic research and scientific papers

Copper-catalyzed one-pot synthesis of 2H-1,4-benzoxazin-3-(4H)-ones from 2-(o-haloaryloxy)acyl chlorides and primary amines

Hu, Qunxian,Xia, Ziming,Fan, Ling,Zheng, Jiening,Wang, Xiaoxia,Lv, Xin

, p. 129 - 142 (2012/05/04)

A facile and efficient Cu(I)-catalyzed one-pot synthesis of 2H-1,4-benzoxazin-3-(4H)-one derivatives has been developed. The condensation between 2-(o-haloaryloxy)acyl chlorides and primary amines followed by Cu(I)-catalyzed intramolecular C-N bond coupling afforded a variety of 2H-1,4-benzoxazin-3-(4H)-ones in good to excellent yields. Diversified substitutents on the 4-position could be conveniently introduced. ARKAT-USA, Inc.

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