138810-04-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138810-04-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,8,1 and 0 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 138810-04:
(8*1)+(7*3)+(6*8)+(5*8)+(4*1)+(3*0)+(2*0)+(1*4)=125
125 % 10 = 5
So 138810-04-5 is a valid CAS Registry Number.