93424-84-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93424-84-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,4,2 and 4 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 93424-84:
(7*9)+(6*3)+(5*4)+(4*2)+(3*4)+(2*8)+(1*4)=141
141 % 10 = 1
So 93424-84-1 is a valid CAS Registry Number.
93424-84-1Relevant articles and documents
Indole Esters as Heterocyclic Synthons. III . Preparation and Reactions of Furoindoles
Unangst, Paul C.,Carethers, Mary E.
, p. 709 - 714 (2007/10/02)
The preparation of furoindoles via Dieckmann cyclization is described.The precursor diesters were obtained from 3-hydroxy-1H-indole-2-carboxylic acid esters and methyl or ethyl bromoacetate.Reactions of the furoindole enolic esters prepared