1240016-75-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1240016-75-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,0,0,1 and 6 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1240016-75:
(9*1)+(8*2)+(7*4)+(6*0)+(5*0)+(4*1)+(3*6)+(2*7)+(1*5)=94
94 % 10 = 4
So 1240016-75-4 is a valid CAS Registry Number.