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103281-80-7

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103281-80-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 103281-80-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,2,8 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 103281-80:
(8*1)+(7*0)+(6*3)+(5*2)+(4*8)+(3*1)+(2*8)+(1*0)=87
87 % 10 = 7
So 103281-80-7 is a valid CAS Registry Number.

103281-80-7Relevant articles and documents

Samarium-based Grignard-type addition of organohalides to carbonyl compounds under catalysis of CuI

Liu, Chen,Liu, Yongjun,Qi, Yan,Song, Bin,Wang, Liang,Xiao, Shuhuan

supporting information, p. 6169 - 6172 (2021/06/30)

Grignard-type additions were readily achieved under the mediation of CuI (10 mol%) and samarium (2 equiv.) by employing various organohalides,e.g.benzyl, aryl, heterocyclic and aliphatic halides (Cl, Br or I), and diverse carbonyl compounds (e.g.carbonic esters, carboxylic esters, acid anhydrides, acyl chlorides, ketones, aldehydes, propylene epoxides and formamides) to afford alcohols, ketones and aldehydes, respectively, with high efficiency and chemoselectivity, in which the organosamarium intermediate might be involved.

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