17746-64-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17746-64-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,7,4 and 6 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 17746-64:
(7*1)+(6*7)+(5*7)+(4*4)+(3*6)+(2*6)+(1*4)=134
134 % 10 = 4
So 17746-64-4 is a valid CAS Registry Number.