290362-23-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 290362-23-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,0,3,6 and 2 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 290362-23:
(8*2)+(7*9)+(6*0)+(5*3)+(4*6)+(3*2)+(2*2)+(1*3)=131
131 % 10 = 1
So 290362-23-1 is a valid CAS Registry Number.