689299-96-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 689299-96-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,9,2,9 and 9 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 689299-96:
(8*6)+(7*8)+(6*9)+(5*2)+(4*9)+(3*9)+(2*9)+(1*6)=255
255 % 10 = 5
So 689299-96-5 is a valid CAS Registry Number.