69824-81-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69824-81-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,8,2 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 69824-81:
(7*6)+(6*9)+(5*8)+(4*2)+(3*4)+(2*8)+(1*1)=173
173 % 10 = 3
So 69824-81-3 is a valid CAS Registry Number.