290297-32-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 290297-32-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,0,2,9 and 7 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 290297-32:
(8*2)+(7*9)+(6*0)+(5*2)+(4*9)+(3*7)+(2*3)+(1*2)=154
154 % 10 = 4
So 290297-32-4 is a valid CAS Registry Number.