138828-69-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138828-69-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,8,2 and 8 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 138828-69:
(8*1)+(7*3)+(6*8)+(5*8)+(4*2)+(3*8)+(2*6)+(1*9)=170
170 % 10 = 0
So 138828-69-0 is a valid CAS Registry Number.