139135-48-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139135-48-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,1,3 and 5 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 139135-48:
(8*1)+(7*3)+(6*9)+(5*1)+(4*3)+(3*5)+(2*4)+(1*8)=131
131 % 10 = 1
So 139135-48-1 is a valid CAS Registry Number.