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202269-90-7

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202269-90-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 202269-90-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,2,2,6 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 202269-90:
(8*2)+(7*0)+(6*2)+(5*2)+(4*6)+(3*9)+(2*9)+(1*0)=107
107 % 10 = 7
So 202269-90-7 is a valid CAS Registry Number.

202269-90-7Downstream Products

202269-90-7Relevant articles and documents

Convenient synthesis of fluoroalkyl-substituted heterocycles from 1-fluoroalkyl-2-iodoalkenes

Guan, Hui-Ping,Tang, Xiao-Qing,Luo, Bing-Hao,Hu, Chang-Ming

, p. 1489 - 1494 (1997)

A convenient synthesis of fluoroalkyl-substituted heterocycles including 3-trifluoromethylpyrazoles 7,5-trifluoromethylisoxazoles 8 and 4-trifluoromethylpyrimidines 9 is described. This two-step sequence consists of a radical addition of fluoroalkyl iodid

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