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20682-70-6

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20682-70-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20682-70-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,6,8 and 2 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 20682-70:
(7*2)+(6*0)+(5*6)+(4*8)+(3*2)+(2*7)+(1*0)=96
96 % 10 = 6
So 20682-70-6 is a valid CAS Registry Number.

20682-70-6Downstream Products

20682-70-6Relevant articles and documents

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Schostakowskii

, p. 608,616, engl. Ausg. S. 643, 651 (1950)

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Electrophilic Addition to Alkoxyethenes. XVI. Influence of Reagent Structure and Solvent on the Rate of Addition of Alcohols to Butyl Vinyl Ether

Nedolya, N. A.,Baranskii, V. A.,Trofimov, B. A.

, p. 291 - 295 (2007/10/03)

The influence of solvent and the structure of alcohol on the rate of its acid-catalyzed (HCl) addition to butyl vinyl ether was studied at 25 deg C in a mixture of the reacting alcohol with a solvent (1:4 by volume).The electrophilic attack of the substrate by solvated proton in the rate-determining stage is accompanied and facilitated by the simultaneous attack of the alkoxide ion on the resulting carboxonium center, i.e., the alcohol molecule participates in formation of the transition state.

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