1089665-40-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1089665-40-6 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 5 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1089665-40:
(9*1)+(8*0)+(7*8)+(6*9)+(5*6)+(4*6)+(3*5)+(2*4)+(1*0)=196
196 % 10 = 6
So 1089665-40-6 is a valid CAS Registry Number.