689299-07-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 689299-07-8 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, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 689299-07:
(8*6)+(7*8)+(6*9)+(5*2)+(4*9)+(3*9)+(2*0)+(1*7)=238
238 % 10 = 8
So 689299-07-8 is a valid CAS Registry Number.