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123331-76-0

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123331-76-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123331-76-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,3,3 and 1 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 123331-76:
(8*1)+(7*2)+(6*3)+(5*3)+(4*3)+(3*1)+(2*7)+(1*6)=90
90 % 10 = 0
So 123331-76-0 is a valid CAS Registry Number.

123331-76-0Downstream Products

123331-76-0Relevant articles and documents

Ozonolysis of Olefins, I. - Ozonolysis of 1,4-Cyclohexadiene and Acid-Catalysed Reaction of Primary Cleavage Products

Mittelbach, Martin,Poklukar, Norbert,Junek, Hans

, p. 185 - 188 (2007/10/02)

The reaction of 1,4-cyclohexadiene (1) with ozone under different reaction conditions was investigated.Complete ozonolysis of 1 in chloroform led to a highly explosive ozonide.Oxidative ozonolysis gave malonic acid in 30percent yield, ozonolysis in alcoholic solutions of HCl gave alkyl 3,3-dialkoxypropionates 3 in 60-70percent yield and small amounts of the 1,1,3,3-tetraalkoxypropane 4 as well as dialkyl malonate 5.Partial ozonolysis of1 in HCl/methanol led to a mixture of 3,5 and the corresponding (Z)-3-hexene derivatives 6a-c.Depending on the reaction time and concentration of HCl, also the two methanol addition products 7b and 7d could be obtained.To verify the structure of these two compounds, 4-methoxycyclohexene (8) was ozonized in HCl/methanol, which gave a mixture of 7a-d.

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