699528-99-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 699528-99-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,9,5,2 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 699528-99:
(8*6)+(7*9)+(6*9)+(5*5)+(4*2)+(3*8)+(2*9)+(1*9)=249
249 % 10 = 9
So 699528-99-9 is a valid CAS Registry Number.