28742-08-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28742-08-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,7,4 and 2 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 28742-08:
(7*2)+(6*8)+(5*7)+(4*4)+(3*2)+(2*0)+(1*8)=127
127 % 10 = 7
So 28742-08-7 is a valid CAS Registry Number.