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121905-26-8

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121905-26-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121905-26-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,9,0 and 5 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 121905-26:
(8*1)+(7*2)+(6*1)+(5*9)+(4*0)+(3*5)+(2*2)+(1*6)=98
98 % 10 = 8
So 121905-26-8 is a valid CAS Registry Number.

121905-26-8Relevant articles and documents

Generation of iminyl copper species from α-azido carbonyl compounds and their catalytic C-C bond cleavage under an oxygen atmosphere

Chiba, Shunsuke,Zhang, Line,Ang, Gim Yean,Hui, Benjamin Wei-Qiang

supporting information; experimental part, p. 2052 - 2055 (2010/07/04)

Figure presented A copper-catalyzed reaction of α-azidocarbonyl compounds under an oxygen atmosphere is reported where nitriles are formed via C-C bond cleavage of a transient iminyl copper intermediate. The transformation is carried out by a sequence of denitrogenative formation of iminyl copper species from α-azidocarbonyl compounds and their C-C bond cleavage, where molecular oxygen (1 atm) is a prerequisite to achieve the catalytic process and one of the oxygen atoms of O2 was found to be incorporated into the β-carbon fragment as a carboxylic acid.

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