94005-31-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 94005-31-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,0,0 and 5 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 94005-31:
(7*9)+(6*4)+(5*0)+(4*0)+(3*5)+(2*3)+(1*1)=109
109 % 10 = 9
So 94005-31-9 is a valid CAS Registry Number.