1021241-12-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1021241-12-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,1,2,4 and 1 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1021241-12:
(9*1)+(8*0)+(7*2)+(6*1)+(5*2)+(4*4)+(3*1)+(2*1)+(1*2)=62
62 % 10 = 2
So 1021241-12-2 is a valid CAS Registry Number.