1523-78-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1523-78-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,5,2 and 3 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1523-78:
(6*1)+(5*5)+(4*2)+(3*3)+(2*7)+(1*8)=70
70 % 10 = 0
So 1523-78-0 is a valid CAS Registry Number.