17445-90-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17445-90-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,4,4 and 5 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 17445-90:
(7*1)+(6*7)+(5*4)+(4*4)+(3*5)+(2*9)+(1*0)=118
118 % 10 = 8
So 17445-90-8 is a valid CAS Registry Number.