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1613044-70-4

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1613044-70-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1613044-70-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,3,0,4 and 4 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1613044-70:
(9*1)+(8*6)+(7*1)+(6*3)+(5*0)+(4*4)+(3*4)+(2*7)+(1*0)=124
124 % 10 = 4
So 1613044-70-4 is a valid CAS Registry Number.

1613044-70-4Relevant academic research and scientific papers

Direct synthesis of 2-aryl-4-quinolones via transition-metal-free intramolecular oxidative C(sp3)-H/C(sp3)-H coupling

Hu, Wei,Lin, Jian-Ping,Song, Li-Rui,Long, Ya-Qiu

, p. 1268 - 1271 (2015)

A novel, metal-free oxidative intramolecular Mannich reaction was developed between secondary amines and unmodified ketones, affording a simple and direct access to a broad range of 2-arylquinolin-4(1H)-ones through C(sp3)-H activation/C(sp3)-C(sp3) bond formation from readily available N-arylmethyl-2-aminophenylketones, using TEMPO as the oxidant and KOtBu as the base.

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