90611-97-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90611-97-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,6,1 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 90611-97:
(7*9)+(6*0)+(5*6)+(4*1)+(3*1)+(2*9)+(1*7)=125
125 % 10 = 5
So 90611-97-5 is a valid CAS Registry Number.