1009517-64-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1009517-64-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,9,5,1 and 7 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1009517-64:
(9*1)+(8*0)+(7*0)+(6*9)+(5*5)+(4*1)+(3*7)+(2*6)+(1*4)=129
129 % 10 = 9
So 1009517-64-9 is a valid CAS Registry Number.