106544-57-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 106544-57-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,5,4 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 106544-57:
(8*1)+(7*0)+(6*6)+(5*5)+(4*4)+(3*4)+(2*5)+(1*7)=114
114 % 10 = 4
So 106544-57-4 is a valid CAS Registry Number.