139498-59-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139498-59-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,4,9 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 139498-59:
(8*1)+(7*3)+(6*9)+(5*4)+(4*9)+(3*8)+(2*5)+(1*9)=182
182 % 10 = 2
So 139498-59-2 is a valid CAS Registry Number.