94431-56-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 94431-56-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,4,3 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 94431-56:
(7*9)+(6*4)+(5*4)+(4*3)+(3*1)+(2*5)+(1*6)=138
138 % 10 = 8
So 94431-56-8 is a valid CAS Registry Number.