Cas 33398-23-1,C<sub>12</sub>H<sub>16</sub>O

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Check Digit Verification of cas no

The CAS Registry Mumber 33398-23-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,3,9 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 33398-23:
(7*3)+(6*3)+(5*3)+(4*9)+(3*8)+(2*2)+(1*3)=121
121 % 10 = 1
So 33398-23-1 is a valid CAS Registry Number.

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33398-23-1Relevant academic research and scientific papers

Simple protocol for enhanced (E)-selectivity in Julia-Kocienski reaction

Pospí?il, Ji?í

supporting information; experimental part, p. 2348 - 2352 (2011/05/16)

A short and efficient Julia-Kocienski olefination protocol, based upon the use of chelating agents (18-crown-6 or TDA-1 for K+; 12-crown-4 or HMPA for Li+), was developed. This protocol enhances the (E)-selectivity of the reaction an

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