Cas 101451-52-9,3-(2-methoxybenzyl)chromen-2-one

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Check Digit Verification of cas no

The CAS Registry Mumber 101451-52-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,4,5 and 1 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 101451-52:
(8*1)+(7*0)+(6*1)+(5*4)+(4*5)+(3*1)+(2*5)+(1*2)=69
69 % 10 = 9
So 101451-52-9 is a valid CAS Registry Number.

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101451-52-9Relevant academic research and scientific papers

Catalytic synthesis of coumarins via direct annulations of α,β-unsaturated aldehydes and salicylaldehydes

Gross, Ulrike,Gross, Patrick J.,Shi, Min,Br?se, Stefan

, p. 635 - 638 (2011)

The first organocatalytic approach towards substituted coumarins is reported. Catalytic amounts of in situ generated N-heterocyclic carbenes (NHC) catalyze a one-pot redox esterification of α,β-unsaturated aldehydes with simultaneous aldol condensation. Georg Thieme Verlag Stuttgart - New York.

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