128154-30-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128154-30-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,1,5 and 4 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 128154-30:
(8*1)+(7*2)+(6*8)+(5*1)+(4*5)+(3*4)+(2*3)+(1*0)=113
113 % 10 = 3
So 128154-30-3 is a valid CAS Registry Number.