331444-97-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 331444-97-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,1,4,4 and 4 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 331444-97:
(8*3)+(7*3)+(6*1)+(5*4)+(4*4)+(3*4)+(2*9)+(1*7)=124
124 % 10 = 4
So 331444-97-4 is a valid CAS Registry Number.