328528-74-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 328528-74-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,8,5,2 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 328528-74:
(8*3)+(7*2)+(6*8)+(5*5)+(4*2)+(3*8)+(2*7)+(1*4)=161
161 % 10 = 1
So 328528-74-1 is a valid CAS Registry Number.