7164-18-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7164-18-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,1,6 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 7164-18:
(6*7)+(5*1)+(4*6)+(3*4)+(2*1)+(1*8)=93
93 % 10 = 3
So 7164-18-3 is a valid CAS Registry Number.