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98805-26-6

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98805-26-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98805-26-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,8,0 and 5 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 98805-26:
(7*9)+(6*8)+(5*8)+(4*0)+(3*5)+(2*2)+(1*6)=176
176 % 10 = 6
So 98805-26-6 is a valid CAS Registry Number.

98805-26-6Relevant articles and documents

Synthesis of 3-Vinyl-1,2,4-trioxolanes by a Cycloaddition of Carbonyl Oxides with α,β-Unsaturated Carbonyl Compounds

Mori, Mitsuyuki,Tabuchi, Toshihiko,Nojima, Masatomo,Kusabayashi, Shigekazu

, p. 1649 - 1652 (2007/10/02)

The cycloaddition of a carbonyl oxide, generated by the ozonolysis of a vinyl ether, to an α,β-unsaturated aldehyde gave the 3-vinyl-1,2,4-trioxolane (α-vinyl ozonide) in moderate yield.In contrast, α,β-unsaturated ketones showed a very poor reactivity with carbonyl oxides.Benzylidenecyclohexanones were exceptions, from which the corresponding 3-vinyl-1,2,4-trioxolanes were obtained in excellent yields.Reaction of the 3-vinyl-1,2,4-trioxolanes with ozone led to the formation of the corresponding diozonides.

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