1072909-07-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1072909-07-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,2,9,0 and 9 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1072909-07:
(9*1)+(8*0)+(7*7)+(6*2)+(5*9)+(4*0)+(3*9)+(2*0)+(1*7)=149
149 % 10 = 9
So 1072909-07-9 is a valid CAS Registry Number.