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1607433-31-7

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1607433-31-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1607433-31-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,7,4,3 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1607433-31:
(9*1)+(8*6)+(7*0)+(6*7)+(5*4)+(4*3)+(3*3)+(2*3)+(1*1)=147
147 % 10 = 7
So 1607433-31-7 is a valid CAS Registry Number.

1607433-31-7Downstream Products

1607433-31-7Relevant articles and documents

Metal-free oxidative ipso-carboacylation of alkynes: Synthesis of 3-acylspiro[4,5]trienones from N-arylpropiolamides and aldehydes

Ouyang, Xuan-Hui,Song, Ren-Jie,Li, Yang,Liu, Bang,Li, Jin-Heng

, p. 4582 - 4589 (2014/06/09)

A general and metal-free radical route to synthesis of 3-acylspiro[4,5] trienones is established that utilizes TBHP (tert-butyl hydrogenperoxide) as an oxidation and a reaction partner to trigger the oxidative ipso-carboacylation of N-arylpropiolamides with aldehydes. This method offers a new difunctionalization of alkynes through oxidative cross coupling of the aldehyde C(sp2)-H bond with an ipso-aromatic carbon.

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