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934811-69-5

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934811-69-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 934811-69-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,4,8,1 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 934811-69:
(8*9)+(7*3)+(6*4)+(5*8)+(4*1)+(3*1)+(2*6)+(1*9)=185
185 % 10 = 5
So 934811-69-5 is a valid CAS Registry Number.

934811-69-5Downstream Products

934811-69-5Relevant articles and documents

Linear free energy relationships and kinetic isotope effects reveal the chemistry of the Ado 2′-OH group

Changalov, Mohamed M.,Petkov, Dimiter D.

, p. 2381 - 2384 (2007/10/03)

Using kinetic isotope effects (KIE) and Hammett correlations, we show that the main role of the adenosine 2′-OH group on deprotonation by the non nucleophilic base DBU during external acyl group transfer is to generate enhanced electron density on the attacking nucleophile through ionization. The small primary KIEs (1.2 and 1.6) and the large Hammett reaction constants (+2.25 and +3.19) obtained for the ethanolysis of 2′/3′-O-p-substituted benzoyl 5′-O-trityl adenosines and 2′-deoxyadenosines are consistent with an AN + DN reaction mechanism. The implications of our results are discussed in terms of chemical contributions of the 2′-OH group in the ribosome catalysis of peptide bond formation.

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