877399-28-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 877399-28-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,7,3,9 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 877399-28:
(8*8)+(7*7)+(6*7)+(5*3)+(4*9)+(3*9)+(2*2)+(1*8)=245
245 % 10 = 5
So 877399-28-5 is a valid CAS Registry Number.