139535-22-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139535-22-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,5,3 and 5 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 139535-22:
(8*1)+(7*3)+(6*9)+(5*5)+(4*3)+(3*5)+(2*2)+(1*2)=141
141 % 10 = 1
So 139535-22-1 is a valid CAS Registry Number.