139194-52-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139194-52-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,1,9 and 4 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 139194-52:
(8*1)+(7*3)+(6*9)+(5*1)+(4*9)+(3*4)+(2*5)+(1*2)=148
148 % 10 = 8
So 139194-52-8 is a valid CAS Registry Number.