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852989-70-9

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852989-70-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 852989-70-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,2,9,8 and 9 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 852989-70:
(8*8)+(7*5)+(6*2)+(5*9)+(4*8)+(3*9)+(2*7)+(1*0)=229
229 % 10 = 9
So 852989-70-9 is a valid CAS Registry Number.

852989-70-9Downstream Products

852989-70-9Relevant academic research and scientific papers

Efficient one-pot synthesis of 4-aryl-3-cyano-2,5-dihydro-1H-indeno[1,2-b] pyridin-2-one and 4-aryl-3-cyano-1,2,5,6-tetrahydrobenzo[h]quinolin-2-one derivatives under solvent-free conditions

Rong, Liangce,Han, Hongxia,Jiang, Hong,Zhang, Qiya,Tu, Shuajiang

, p. 1027 - 1034 (2009)

4-Aryl-3-cyano-2,5-dihydro-1H-indeno[1,2-b]pyridin-2-one and 4-aryl-3-cyano-1,2,5,6-tetrahydrobenzo[h]quinolin-2-one have been prepared from indan-1-one or 3,4-dihydronaphthalen-1(2H)-one, aromatic aldehydes, 2-cyanoacetamide, in the presence of sodium hy

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