15577-68-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15577-68-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,5,7 and 7 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 15577-68:
(7*1)+(6*5)+(5*5)+(4*7)+(3*7)+(2*6)+(1*8)=131
131 % 10 = 1
So 15577-68-1 is a valid CAS Registry Number.