90012-64-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90012-64-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,0,1 and 2 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 90012-64:
(7*9)+(6*0)+(5*0)+(4*1)+(3*2)+(2*6)+(1*4)=89
89 % 10 = 9
So 90012-64-9 is a valid CAS Registry Number.