1240605-80-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1240605-80-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,0,6,0 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1240605-80:
(9*1)+(8*2)+(7*4)+(6*0)+(5*6)+(4*0)+(3*5)+(2*8)+(1*0)=114
114 % 10 = 4
So 1240605-80-4 is a valid CAS Registry Number.