69447-81-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69447-81-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,4,4 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 69447-81:
(7*6)+(6*9)+(5*4)+(4*4)+(3*7)+(2*8)+(1*1)=170
170 % 10 = 0
So 69447-81-0 is a valid CAS Registry Number.