331461-43-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 331461-43-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,1,4,6 and 1 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 331461-43:
(8*3)+(7*3)+(6*1)+(5*4)+(4*6)+(3*1)+(2*4)+(1*3)=109
109 % 10 = 9
So 331461-43-9 is a valid CAS Registry Number.