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1134193-53-5

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1134193-53-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1134193-53-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,4,1,9 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1134193-53:
(9*1)+(8*1)+(7*3)+(6*4)+(5*1)+(4*9)+(3*3)+(2*5)+(1*3)=125
125 % 10 = 5
So 1134193-53-5 is a valid CAS Registry Number.

1134193-53-5Downstream Products

1134193-53-5Relevant articles and documents

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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