290299-72-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 290299-72-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,0,2,9 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 290299-72:
(8*2)+(7*9)+(6*0)+(5*2)+(4*9)+(3*9)+(2*7)+(1*2)=168
168 % 10 = 8
So 290299-72-8 is a valid CAS Registry Number.