145643-95-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 145643-95-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,6,4 and 3 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 145643-95:
(8*1)+(7*4)+(6*5)+(5*6)+(4*4)+(3*3)+(2*9)+(1*5)=144
144 % 10 = 4
So 145643-95-4 is a valid CAS Registry Number.