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263249-11-2

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263249-11-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 263249-11-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,3,2,4 and 9 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 263249-11:
(8*2)+(7*6)+(6*3)+(5*2)+(4*4)+(3*9)+(2*1)+(1*1)=132
132 % 10 = 2
So 263249-11-2 is a valid CAS Registry Number.

263249-11-2Relevant articles and documents

Preparation of cycloheptane ring by nucleophilic cyclopropanation of 1,2-diketones with bis(iodozincio)methane

Haraguchi, Ryosuke,Takada, Yoshiaki,Matsubara, Seijiro

supporting information, p. 241 - 247 (2015/01/09)

The nucleophilic cyclopropanation of hexa-1,5-diene-3,4-diones with bis(iodozincio)methane afforded the Zn alkoxides of cis-dialkenylcyclopropane-1,2-diols stereoselectively. The subsequent oxy-Cope rearrangement afforded the corresponding Zn alkoxides of

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