923009-61-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 923009-61-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,3,0,0 and 9 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 923009-61:
(8*9)+(7*2)+(6*3)+(5*0)+(4*0)+(3*9)+(2*6)+(1*1)=144
144 % 10 = 4
So 923009-61-4 is a valid CAS Registry Number.