57644-89-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57644-89-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,6,4 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 57644-89:
(7*5)+(6*7)+(5*6)+(4*4)+(3*4)+(2*8)+(1*9)=160
160 % 10 = 0
So 57644-89-0 is a valid CAS Registry Number.
57644-89-0Relevant academic research and scientific papers
ARYL TRIFLUOROMETHYL KETONE HYDRATES AS PRECURSORS OF CARBOXYLIC ACIDS AND ESTERS
Delgado, Antonio,Clardy, Jon
, p. 2789 - 2790 (2007/10/02)
A simple method for the preparation of aryl carboxylic acids and esters from aryl trifluoromethyl ketone hydrates is described.