749879-28-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 749879-28-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,9,8,7 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 749879-28:
(8*7)+(7*4)+(6*9)+(5*8)+(4*7)+(3*9)+(2*2)+(1*8)=245
245 % 10 = 5
So 749879-28-5 is a valid CAS Registry Number.