28192-90-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28192-90-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,1,9 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 28192-90:
(7*2)+(6*8)+(5*1)+(4*9)+(3*2)+(2*9)+(1*0)=127
127 % 10 = 7
So 28192-90-7 is a valid CAS Registry Number.