262297-59-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 262297-59-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,2,2,9 and 7 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 262297-59:
(8*2)+(7*6)+(6*2)+(5*2)+(4*9)+(3*7)+(2*5)+(1*9)=156
156 % 10 = 6
So 262297-59-6 is a valid CAS Registry Number.
262297-59-6Relevant articles and documents
Acylation of o-imidoylphenol lithium dianions: Synthesis of 4H-chromen- 4-ylidenamines
Cimarelli, Cristina,Palmieri, Gianni
, p. 475 - 478 (2007/10/03)
A method is described to obtain 4H-chromen-4-ylidenamines 4, through the reaction of o-imidoyl phenol dianions 2' with aromatic esters and subsequent acid cyclisation of the 3-(2-hydroxyphenyl)-3-(amino)-1-phenylprop-2-en-1- ones 3 obtained. (C) 2000 Else
