328561-06-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 328561-06-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,8,5,6 and 1 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 328561-06:
(8*3)+(7*2)+(6*8)+(5*5)+(4*6)+(3*1)+(2*0)+(1*6)=144
144 % 10 = 4
So 328561-06-4 is a valid CAS Registry Number.