94012-44-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 94012-44-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,0,1 and 2 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 94012-44:
(7*9)+(6*4)+(5*0)+(4*1)+(3*2)+(2*4)+(1*4)=109
109 % 10 = 9
So 94012-44-9 is a valid CAS Registry Number.
94012-44-9Relevant 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)