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51813-41-3

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51813-41-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51813-41-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,8,1 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 51813-41:
(7*5)+(6*1)+(5*8)+(4*1)+(3*3)+(2*4)+(1*1)=103
103 % 10 = 3
So 51813-41-3 is a valid CAS Registry Number.

51813-41-3Relevant articles and documents

Blue-light-promoted carbon-carbon double bond isomerization and its application in the syntheses of quinolines

Chen, Xinzheng,Qiu, Shuxian,Wang, Sasa,Wang, Huifei,Zhai, Hongbin

, p. 6349 - 6352 (2017)

A blue-light-promoted carbon-carbon double bond isomerization in the absence of any photoredox catalyst is reported. It provides rapid access to a series of quinolines in good to excellent yields under simple aerobic conditions. The protocol is direct, catalyst-free and operationally convenient.

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