31594-61-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31594-61-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,5,9 and 4 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 31594-61:
(7*3)+(6*1)+(5*5)+(4*9)+(3*4)+(2*6)+(1*1)=113
113 % 10 = 3
So 31594-61-3 is a valid CAS Registry Number.