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869720-39-8

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869720-39-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 869720-39-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,9,7,2 and 0 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 869720-39:
(8*8)+(7*6)+(6*9)+(5*7)+(4*2)+(3*0)+(2*3)+(1*9)=218
218 % 10 = 8
So 869720-39-8 is a valid CAS Registry Number.

869720-39-8Downstream Products

869720-39-8Relevant articles and documents

Synthesis of new trifluoromethyl substituted 11H-isonindolo[2,1-a]benzimidazol-11-one derivatives

P.V. Lingaiah, Boddupally,Yakaiah, Tallapally,Rao, Pamulaparthy S,Narsaiah, Banda

, p. 2329 - 2337 (2005)

A convenient method has been developed for the synthesis of new trifluoromethyl-substituted 11H-isoindolo[2,1-a]benzimidazol-11-one derivatives from 3-nitro-5-trifluoromethyl-o-phenylenediamine and aromatic anhydrides on the surface of silica gel impregnated with ZnCl2 under solvent free microwave irradiation conditions.{A figure is presented}.

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