1201646-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1201646-90-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,1,6,4 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1201646-90:
(9*1)+(8*2)+(7*0)+(6*1)+(5*6)+(4*4)+(3*6)+(2*9)+(1*0)=113
113 % 10 = 3
So 1201646-90-3 is a valid CAS Registry Number.