1830-13-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1830-13-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,3 and 0 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1830-13:
(6*1)+(5*8)+(4*3)+(3*0)+(2*1)+(1*3)=63
63 % 10 = 3
So 1830-13-3 is a valid CAS Registry Number.