28742-51-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28742-51-0 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, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 28742-51:
(7*2)+(6*8)+(5*7)+(4*4)+(3*2)+(2*5)+(1*1)=130
130 % 10 = 0
So 28742-51-0 is a valid CAS Registry Number.