17860-20-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17860-20-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,8,6 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 17860-20:
(7*1)+(6*7)+(5*8)+(4*6)+(3*0)+(2*2)+(1*0)=117
117 % 10 = 7
So 17860-20-7 is a valid CAS Registry Number.