1111942-12-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1111942-12-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,1,1,9,4 and 2 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1111942-12:
(9*1)+(8*1)+(7*1)+(6*1)+(5*9)+(4*4)+(3*2)+(2*1)+(1*2)=101
101 % 10 = 1
So 1111942-12-1 is a valid CAS Registry Number.