15123-77-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15123-77-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,1,2 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 15123-77:
(7*1)+(6*5)+(5*1)+(4*2)+(3*3)+(2*7)+(1*7)=80
80 % 10 = 0
So 15123-77-0 is a valid CAS Registry Number.