690698-82-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 690698-82-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,0,6,9 and 8 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 690698-82:
(8*6)+(7*9)+(6*0)+(5*6)+(4*9)+(3*8)+(2*8)+(1*2)=219
219 % 10 = 9
So 690698-82-9 is a valid CAS Registry Number.