139710-67-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139710-67-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,7,1 and 0 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 139710-67:
(8*1)+(7*3)+(6*9)+(5*7)+(4*1)+(3*0)+(2*6)+(1*7)=141
141 % 10 = 1
So 139710-67-1 is a valid CAS Registry Number.