17996-90-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17996-90-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,9,9 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 17996-90:
(7*1)+(6*7)+(5*9)+(4*9)+(3*6)+(2*9)+(1*0)=166
166 % 10 = 6
So 17996-90-6 is a valid CAS Registry Number.