1240912-15-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1240912-15-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,0,9,1 and 2 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1240912-15:
(9*1)+(8*2)+(7*4)+(6*0)+(5*9)+(4*1)+(3*2)+(2*1)+(1*5)=115
115 % 10 = 5
So 1240912-15-5 is a valid CAS Registry Number.