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98838-20-1

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98838-20-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98838-20-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,8,3 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 98838-20:
(7*9)+(6*8)+(5*8)+(4*3)+(3*8)+(2*2)+(1*0)=191
191 % 10 = 1
So 98838-20-1 is a valid CAS Registry Number.

98838-20-1Downstream Products

98838-20-1Relevant articles and documents

Ozonolysis of Some Tetrasubstituted Ethylenes

Murray, Robert W.,Agarwal, Sudhir K.

, p. 4698 - 4702 (1985)

The olefins 1,4-dibromo-2,3-dimethyl-2-butene, 1-bromo-2,3-dimethyl-2-butene, and 2,3-dimethyl-2-butene were ozonized under a variety of conditions.Ozonolysis of 1,4-dibromo-2,3-dimethyl-2-butene in acetone solvent leads to the unexpected products acetone diperoxide and triperoxide.The results are discussed with respect to questions of concertedness in ozonide formation, the need for activating groups in ozonide formation, and the possible intermediacy of dioxiranes.

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