90180-97-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90180-97-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,1,8 and 0 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 90180-97:
(7*9)+(6*0)+(5*1)+(4*8)+(3*0)+(2*9)+(1*7)=125
125 % 10 = 5
So 90180-97-5 is a valid CAS Registry Number.