1240057-32-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1240057-32-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,0,0,5 and 7 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1240057-32:
(9*1)+(8*2)+(7*4)+(6*0)+(5*0)+(4*5)+(3*7)+(2*3)+(1*2)=102
102 % 10 = 2
So 1240057-32-2 is a valid CAS Registry Number.