90200-31-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90200-31-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,2,0 and 0 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 90200-31:
(7*9)+(6*0)+(5*2)+(4*0)+(3*0)+(2*3)+(1*1)=80
80 % 10 = 0
So 90200-31-0 is a valid CAS Registry Number.