139059-71-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139059-71-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,0,5 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 139059-71:
(8*1)+(7*3)+(6*9)+(5*0)+(4*5)+(3*9)+(2*7)+(1*1)=145
145 % 10 = 5
So 139059-71-5 is a valid CAS Registry Number.