139100-88-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139100-88-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,1,0 and 0 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 139100-88:
(8*1)+(7*3)+(6*9)+(5*1)+(4*0)+(3*0)+(2*8)+(1*8)=112
112 % 10 = 2
So 139100-88-2 is a valid CAS Registry Number.