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131699-92-8

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131699-92-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131699-92-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,6,9 and 9 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 131699-92:
(8*1)+(7*3)+(6*1)+(5*6)+(4*9)+(3*9)+(2*9)+(1*2)=148
148 % 10 = 8
So 131699-92-8 is a valid CAS Registry Number.

131699-92-8Relevant academic research and scientific papers

A hypervalent iodine-mediated spirocyclization of 2-(4-hydroxybenzamido) acrylates - Unexpected formation of δ-spirolactones

Hempel, Christian,Weckenmann, Nicole M.,Maichle-Moessmer,Nachtsheim, Boris J.

, p. 9325 - 9329 (2012)

On the way towards a new total synthesis of (S)-arogenate, a novel aryl-λ3-iodane-mediated oxidative spirocyclization of para-substituted phenol derivatives has been discovered. Starting from easy accessible 2-(4-hydroxybenzamido)acrylates we c

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