1880-06-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1880-06-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,8 and 0 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1880-06:
(6*1)+(5*8)+(4*8)+(3*0)+(2*0)+(1*6)=84
84 % 10 = 4
So 1880-06-4 is a valid CAS Registry Number.