153968-68-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 153968-68-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,3,9,6 and 8 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 153968-68:
(8*1)+(7*5)+(6*3)+(5*9)+(4*6)+(3*8)+(2*6)+(1*8)=174
174 % 10 = 4
So 153968-68-4 is a valid CAS Registry Number.
153968-68-4Relevant academic research and scientific papers
A new convenient synthesis of phosphoranylideneaminoquinones from isoxazolequinones
Rodriguez-Morgade,Torres,Vazquez
, p. 1235 - 1238 (2007/10/02)
The reaction of [2,1]benzisoxazole-4,7-quinones 1 and naphth[2,3c]isoxazole-4,9-quinone 4 with phosphines leads to phosphoranylideneaminoquinones 2 and 5, respectively, in good to excellent yields.
