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33675-65-9

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33675-65-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33675-65-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,6,7 and 5 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 33675-65:
(7*3)+(6*3)+(5*6)+(4*7)+(3*5)+(2*6)+(1*5)=129
129 % 10 = 9
So 33675-65-9 is a valid CAS Registry Number.

33675-65-9Relevant articles and documents

Aminolysis of Y-substituted phenyl X-substituted benzoates with piperidine: Effect of nonleaving group substituent

Um, Ik-Hwan,Lee, Ji-Youn,Ko, Seung-Hak,Bae, Sun-Kun

, p. 5800 - 5803 (2006)

The title reaction has been suggested to proceed through a zwitterionic tetrahedral intermediate with a change in the rate determining step on the basis of the curved Bronsted-type plots obtained. The curvature center of the curved Bronsted-type plots is at pKa = 6.4 regardless of the electronic nature of the substituent X in the benzoyl moiety.

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