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141781-22-8

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141781-22-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 141781-22-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,7,8 and 1 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 141781-22:
(8*1)+(7*4)+(6*1)+(5*7)+(4*8)+(3*1)+(2*2)+(1*2)=118
118 % 10 = 8
So 141781-22-8 is a valid CAS Registry Number.

141781-22-8Relevant articles and documents

A new multicomponent synthesis of 1,2,3,4-tetrahydroquinolines

Annunziata, Rita,Cinquini, Mauro,Cozzi, Franco,Molteni, Valintina,Schupp, Olaf

, p. 9715 - 9726 (2007/10/03)

The synthesis of a variety of differently substituted 1,2,3,4- tetrahydroquinolines by a new three-component reaction involving an imine (Ar-N=CHR), an α-branched and enolizable aldehyde (R1R2CHCHO), and a nucleophile (ROH, ArSH, ArN

Stereoselective synthesis of β-lactams by condensation of titanium enolates of 2-pyridyl thioesters with imines

Annunziata,Cinquini,Cozzi,Cozzi

, p. 4155 - 4162 (2007/10/02)

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