162303-67-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 162303-67-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,2,3,0 and 3 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 162303-67:
(8*1)+(7*6)+(6*2)+(5*3)+(4*0)+(3*3)+(2*6)+(1*7)=105
105 % 10 = 5
So 162303-67-5 is a valid CAS Registry Number.