1089669-75-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1089669-75-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,8,9,6,6 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1089669-75:
(9*1)+(8*0)+(7*8)+(6*9)+(5*6)+(4*6)+(3*9)+(2*7)+(1*5)=219
219 % 10 = 9
So 1089669-75-9 is a valid CAS Registry Number.