1201911-82-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1201911-82-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,1,9,1 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1201911-82:
(9*1)+(8*2)+(7*0)+(6*1)+(5*9)+(4*1)+(3*1)+(2*8)+(1*2)=101
101 % 10 = 1
So 1201911-82-1 is a valid CAS Registry Number.