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578703-92-1

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578703-92-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 578703-92-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,7,8,7,0 and 3 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 578703-92:
(8*5)+(7*7)+(6*8)+(5*7)+(4*0)+(3*3)+(2*9)+(1*2)=201
201 % 10 = 1
So 578703-92-1 is a valid CAS Registry Number.

578703-92-1Relevant articles and documents

Direct access to 1,4-disubstituted 1,2,3-triazoles through organocatalytic 1,3-dipolar cycloaddition reaction of α,β-unsaturated esters with azides

Li, Wenjun,Zhou, Xiao,Luan, Yepeng,Wang, Jian

, p. 88816 - 88820 (2015/11/09)

DBU-catalyzed organocatalytic 1,3-dipolar cycloaddition reactions of α,β-unsaturated esters with azides have been developed. This strategy generates 1,4-disubstituted 1,2,3-triazoles in high yields with high regioselectivities. It is demonstrated that some of these products can be transformed into important pharmaceutical agents.

Arylazide cycloaddition to methyl propiolate: DFT-based quantitative prediction of regioselectivity

Molteni, Giorgio,Ponti, Alessandro

, p. 2770 - 2774 (2007/10/03)

Several 1-(4-substituted)-phenyl-4- or 5-methoxycarbonyl-1,2,3-triazoles have been synthesized by 1,3-dipolar cycloaddition of the corresponding arylazides to methyl propiolate in carbon tetrachloride. The regioselectivity of these reactions cannot be rat

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