328929-90-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 328929-90-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,8,9,2 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 328929-90:
(8*3)+(7*2)+(6*8)+(5*9)+(4*2)+(3*9)+(2*9)+(1*0)=184
184 % 10 = 4
So 328929-90-4 is a valid CAS Registry Number.