240402-07-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 240402-07-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,0,4,0 and 2 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 240402-07:
(8*2)+(7*4)+(6*0)+(5*4)+(4*0)+(3*2)+(2*0)+(1*7)=77
77 % 10 = 7
So 240402-07-7 is a valid CAS Registry Number.