128242-90-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128242-90-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,2,4 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 128242-90:
(8*1)+(7*2)+(6*8)+(5*2)+(4*4)+(3*2)+(2*9)+(1*0)=120
120 % 10 = 0
So 128242-90-0 is a valid CAS Registry Number.