139419-04-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139419-04-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,4,1 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 139419-04:
(8*1)+(7*3)+(6*9)+(5*4)+(4*1)+(3*9)+(2*0)+(1*4)=138
138 % 10 = 8
So 139419-04-8 is a valid CAS Registry Number.