Cas 407623-59-0,ethyl 4-(1-methyl-1H-imidazol-2-yl)benzoate

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Check Digit Verification of cas no

The CAS Registry Mumber 407623-59-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,7,6,2 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 407623-59:
(8*4)+(7*0)+(6*7)+(5*6)+(4*2)+(3*3)+(2*5)+(1*9)=140
140 % 10 = 0
So 407623-59-0 is a valid CAS Registry Number.

407623-59-0Upstream product

407623-59-0Downstream Products

407622-17-7 4-(4-chlorobenzoyl)-1-[4-(1-methyl-1H-imidazol-2-yl)benzyl]-1,3,4,5-tetrahydrobenzo[e][1,4]diazepin-2-on Mono(trifluoroacetate)

407623-59-0Relevant academic research and scientific papers

Highly regioselective C-5 alkynylation of imidazoles by one-pot sequential bromination and Sonogashira cross coupling

Bellina, Fabio,Lessi, Marco,Marianetti, Giulia,Panattoni, Alessandro

, p. 3855 - 3857 (2015)

A variety of 2-substituted 5-alkynyl-1H-imidazoles were easily prepared by a one-pot sequential procedure involving a highly regioselective electrophilic C-5 bromination of 1,2-dimethyl-1H-imidazole, 2-chloro-1-methyl-1H-imidazole, and 2-aryl-1-methyl-1H-imidazoles, followed by an efficient palladium/copper co-catalyzed Sonogashira-type alkynylation.

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