156465-30-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156465-30-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,4,6 and 5 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 156465-30:
(8*1)+(7*5)+(6*6)+(5*4)+(4*6)+(3*5)+(2*3)+(1*0)=144
144 % 10 = 4
So 156465-30-4 is a valid CAS Registry Number.