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1269261-57-5

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1269261-57-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1269261-57-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,9,2,6 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1269261-57:
(9*1)+(8*2)+(7*6)+(6*9)+(5*2)+(4*6)+(3*1)+(2*5)+(1*7)=175
175 % 10 = 5
So 1269261-57-5 is a valid CAS Registry Number.

1269261-57-5Relevant articles and documents

Palladium(II)-catalyzed aerobic intramolecular allylic C[sbnd]H activation for the synthesis of indolines

Xu, Changrui,Wu, Zhengxing,Chen, Jianzhong,Xie, Fang,Zhang, Wanbin

supporting information, p. 1904 - 1910 (2017/03/11)

A method for the preparation of indolines via palladium-catalyzed aerobic intramolecular allylic C[sbnd]H activation was developed. Oxygen was successfully used as oxidant with catalytic amount of 1,4-benzoquinone. 16 examples were reported, the majority of substrates gave moderate to good yields.

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