310404-51-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 310404-51-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,0,4,0 and 4 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 310404-51:
(8*3)+(7*1)+(6*0)+(5*4)+(4*0)+(3*4)+(2*5)+(1*1)=74
74 % 10 = 4
So 310404-51-4 is a valid CAS Registry Number.