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42957-13-1

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42957-13-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42957-13-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,9,5 and 7 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 42957-13:
(7*4)+(6*2)+(5*9)+(4*5)+(3*7)+(2*1)+(1*3)=131
131 % 10 = 1
So 42957-13-1 is a valid CAS Registry Number.

42957-13-1Downstream Products

42957-13-1Relevant articles and documents

Reactions des radicaux 6-hydroxy-5,6-dihydrothymid-5-yles en solution aqueuse

Berger, M.,Sarrazin, F.,Cadet, J.

, p. 853 - 862 (2007/10/02)

The main reactions of 6-hydroxy-5,6-dihydrothymid-5-yl radicals, specifically obtained by electron capture dissociation of the trans diastereomers of 5-bromo-6-hydroxy-5,6-dihydrothymidine, were determined in aqueous solutions on the basis of final product analysis.In oxygen-free aqueous solutions a complex mixture of both monomeric and dimeric decomposition products was produced.It is worth mentioning the radiation-induced formation of modified nucleosides which involves the transient generation of 5-(2'-deoxyuridyl)methyl radical.This may be explained in terms of initial formation of 6-hydroxy-5,6-dihydrothymid-5-yl radicals, followed by dehydration and subsequent deprotonation.

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