290297-22-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 290297-22-2 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 7 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 290297-22:
(8*2)+(7*9)+(6*0)+(5*2)+(4*9)+(3*7)+(2*2)+(1*2)=152
152 % 10 = 2
So 290297-22-2 is a valid CAS Registry Number.