17888-64-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17888-64-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,8,8 and 8 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 17888-64:
(7*1)+(6*7)+(5*8)+(4*8)+(3*8)+(2*6)+(1*4)=161
161 % 10 = 1
So 17888-64-1 is a valid CAS Registry Number.