290314-43-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 290314-43-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,0,3,1 and 4 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 290314-43:
(8*2)+(7*9)+(6*0)+(5*3)+(4*1)+(3*4)+(2*4)+(1*3)=121
121 % 10 = 1
So 290314-43-1 is a valid CAS Registry Number.