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417698-17-0

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417698-17-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 417698-17-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,1,7,6,9 and 8 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 417698-17:
(8*4)+(7*1)+(6*7)+(5*6)+(4*9)+(3*8)+(2*1)+(1*7)=180
180 % 10 = 0
So 417698-17-0 is a valid CAS Registry Number.

417698-17-0Relevant articles and documents

Efficient synthesis of 2-(trimethylsilyl)phenyl trifluoromethanesulfonate: A versatile precursor to o-benzyne

Bronner, Sarah M.,Garg, Neil K.

experimental part, p. 8842 - 8843 (2010/02/28)

(Chemical Equation Presented) An efficient procedure for the gram-scale preparation of 2-(trimethylsilyl)phenyl trifluoromethanesulfonate, a versatile precursor to o-benzyne, is presented. The three-step sequence utilizes phenol as the starting material, requires only one chromatographic purification, and ultimately delivers the desired silyltriflate in 66% overall yield. 2009 American Chemical Society.

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