28045-46-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28045-46-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,0,4 and 5 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 28045-46:
(7*2)+(6*8)+(5*0)+(4*4)+(3*5)+(2*4)+(1*6)=107
107 % 10 = 7
So 28045-46-7 is a valid CAS Registry Number.