106972-85-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 106972-85-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,9,7 and 2 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 106972-85:
(8*1)+(7*0)+(6*6)+(5*9)+(4*7)+(3*2)+(2*8)+(1*5)=144
144 % 10 = 4
So 106972-85-4 is a valid CAS Registry Number.