15177-28-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15177-28-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,1,7 and 7 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 15177-28:
(7*1)+(6*5)+(5*1)+(4*7)+(3*7)+(2*2)+(1*8)=103
103 % 10 = 3
So 15177-28-3 is a valid CAS Registry Number.