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128402-12-0

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128402-12-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128402-12-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,4,0 and 2 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 128402-12:
(8*1)+(7*2)+(6*8)+(5*4)+(4*0)+(3*2)+(2*1)+(1*2)=100
100 % 10 = 0
So 128402-12-0 is a valid CAS Registry Number.

128402-12-0Downstream Products

128402-12-0Relevant articles and documents

THE REACTION OF CYCLIC β-DIKETONES WITH TRIFLUOROMETHYLSULPHENYL CHLORIDE

Popov, V.I.,Haas, A.,Lieb, M.

, p. 131 - 136 (1990)

The reactions of cyclic β-diketones with trifluoromethylsulphenyl chloride were carried out to give the corresponding CF3S-substituted derivatives.Oxidation of the CF3S-substituted dimedone led to ring cleavage.The CF3SO2-substituted dimedone was prepared by reaction of trifluoromethylsulphonyl chloride with the metallated β-diketone.

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