290812-39-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 290812-39-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,0,8,1 and 2 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 290812-39:
(8*2)+(7*9)+(6*0)+(5*8)+(4*1)+(3*2)+(2*3)+(1*9)=144
144 % 10 = 4
So 290812-39-4 is a valid CAS Registry Number.