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89563-18-8

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89563-18-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89563-18-8 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, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 89563-18:
(7*8)+(6*9)+(5*5)+(4*6)+(3*3)+(2*1)+(1*8)=178
178 % 10 = 8
So 89563-18-8 is a valid CAS Registry Number.

89563-18-8Relevant 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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