1823513-58-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1823513-58-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,2,3,5,1 and 3 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1823513-58:
(9*1)+(8*8)+(7*2)+(6*3)+(5*5)+(4*1)+(3*3)+(2*5)+(1*8)=161
161 % 10 = 1
So 1823513-58-1 is a valid CAS Registry Number.