90985-97-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90985-97-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,9,8 and 5 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 90985-97:
(7*9)+(6*0)+(5*9)+(4*8)+(3*5)+(2*9)+(1*7)=180
180 % 10 = 0
So 90985-97-0 is a valid CAS Registry Number.