28293-50-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28293-50-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,2,9 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 28293-50:
(7*2)+(6*8)+(5*2)+(4*9)+(3*3)+(2*5)+(1*0)=127
127 % 10 = 7
So 28293-50-7 is a valid CAS Registry Number.