90142-28-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90142-28-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,1,4 and 2 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 90142-28:
(7*9)+(6*0)+(5*1)+(4*4)+(3*2)+(2*2)+(1*8)=102
102 % 10 = 2
So 90142-28-2 is a valid CAS Registry Number.