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1437780-46-5

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1437780-46-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1437780-46-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,7,7,8 and 0 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1437780-46:
(9*1)+(8*4)+(7*3)+(6*7)+(5*7)+(4*8)+(3*0)+(2*4)+(1*6)=185
185 % 10 = 5
So 1437780-46-5 is a valid CAS Registry Number.

1437780-46-5Downstream Products

1437780-46-5Relevant articles and documents

Copper(I)-catalyzed synthesis of 5-arylindazolo[3,2- b ]quinazolin-7(5 H)-one via ullmann-type reaction

Chen, Dong-Sheng,Dou, Guo-Lan,Li, Yu-Ling,Liu, Yun,Wang, Xiang-Shan

, p. 5700 - 5704 (2013/07/25)

The treatment of 2-amino-N′-arylbenzohydrazide and o-halogenated benzaldehyde in the presence of CuBr and Cs2CO3 gave 5-arylindazolo[3,2-b]quinazolin-7(5H)-one in high yields. This procedure contains an Ullmann-type reaction and prov

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