17038-68-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17038-68-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,0,3 and 8 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 17038-68:
(7*1)+(6*7)+(5*0)+(4*3)+(3*8)+(2*6)+(1*8)=105
105 % 10 = 5
So 17038-68-5 is a valid CAS Registry Number.