106831-26-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 106831-26-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,8,3 and 1 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 106831-26:
(8*1)+(7*0)+(6*6)+(5*8)+(4*3)+(3*1)+(2*2)+(1*6)=109
109 % 10 = 9
So 106831-26-9 is a valid CAS Registry Number.
106831-26-9Relevant articles and documents
A Regioselective Synthesis of 3,5-Disubstituted Isoxazoles
Yokoyama, Masataka,Tsuji, Kouichi,Kushida, Mari
, p. 67 - 72 (2007/10/02)
The 3-aryl-5-, and 5-aryl-3-(phenylsulphonylmethyl)isoxazoles (6) and(9) respectively were regioselectively prepared from 1-aryl-3-methylthio-4-phenylsulphonylbut-2-en-1-one (1).As an application of the present method, 3-methyl-5-(4-.pyridyl)isoxazole (2)