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135639-02-0

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135639-02-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 135639-02-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,6,3 and 9 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 135639-02:
(8*1)+(7*3)+(6*5)+(5*6)+(4*3)+(3*9)+(2*0)+(1*2)=130
130 % 10 = 0
So 135639-02-0 is a valid CAS Registry Number.

135639-02-0Downstream Products

135639-02-0Relevant articles and documents

Electronic Effects in the Reaction of Propionaldehyde Oxide with Substituted Benzaldehydes

Murray, Robert W.,Morgan, Michael M.

, p. 6123 - 6127 (2007/10/02)

The relative rates of reaction of propionaldehyde oxide with para-substituted benzaldehydes have been measured and treated with the Hammett equation.The Hammett plot indicates that electron-withdrawing substituents in the benzaldehyde increase the reaction rate and give ρ = +0.25.Electron-donating substituents in the benzaldehyde also increase the rate (ρ =-0.85).The results are interpreted as indicating the presence of two related pathways for ozonide formation.The cis/trans ratios of the ozonides produced in these reactions have been determined and also plotted against the Hammett ? constants.This plot indicates that electron-withdrawing substituents in the benzaldehyde increase the amount of cis ozonide formed in the reaction with propionaldehyde oxide.The results are interpreted in terms of current views of the mechanism of ozonolysis.

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