759397-81-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 759397-81-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,5,9,3,9 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 759397-81:
(8*7)+(7*5)+(6*9)+(5*3)+(4*9)+(3*7)+(2*8)+(1*1)=234
234 % 10 = 4
So 759397-81-4 is a valid CAS Registry Number.