1240103-00-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1240103-00-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,0,1,0 and 3 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1240103-00:
(9*1)+(8*2)+(7*4)+(6*0)+(5*1)+(4*0)+(3*3)+(2*0)+(1*0)=67
67 % 10 = 7
So 1240103-00-7 is a valid CAS Registry Number.