138505-45-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138505-45-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,5,0 and 5 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 138505-45:
(8*1)+(7*3)+(6*8)+(5*5)+(4*0)+(3*5)+(2*4)+(1*5)=130
130 % 10 = 0
So 138505-45-0 is a valid CAS Registry Number.