328312-77-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 328312-77-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,8,3,1 and 2 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 328312-77:
(8*3)+(7*2)+(6*8)+(5*3)+(4*1)+(3*2)+(2*7)+(1*7)=132
132 % 10 = 2
So 328312-77-2 is a valid CAS Registry Number.