139171-75-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139171-75-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,1,7 and 1 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 139171-75:
(8*1)+(7*3)+(6*9)+(5*1)+(4*7)+(3*1)+(2*7)+(1*5)=138
138 % 10 = 8
So 139171-75-8 is a valid CAS Registry Number.