290813-41-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 290813-41-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,0,8,1 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 290813-41:
(8*2)+(7*9)+(6*0)+(5*8)+(4*1)+(3*3)+(2*4)+(1*1)=141
141 % 10 = 1
So 290813-41-1 is a valid CAS Registry Number.