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89563-20-2

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89563-20-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89563-20-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,5,6 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 89563-20:
(7*8)+(6*9)+(5*5)+(4*6)+(3*3)+(2*2)+(1*0)=172
172 % 10 = 2
So 89563-20-2 is a valid CAS Registry Number.

89563-20-2Downstream Products

89563-20-2Relevant articles and documents

Synthesis and Reactivity of 2-Oxidodiaryliodonium Zwitterions

Spyroudis, Spyros,Varvoglis, Anastasios

, p. 135 - 137 (2007/10/02)

The direct synthesis of three new 2-oxidoaryliodonium zwitterions from phenols and aryliodine(III) bistrifluoroacetate and their reaction with nucleophiles and electrophiles are reported.Especially noteworthy is the reactivity of 2-methoxy-3,5-dinitrophenyl(phenyl)iodonium tetrafluoroborate (15) which is hydrolysed by water and solvolysed by alcohols at room temperature.

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