310420-00-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 310420-00-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,0,4,2 and 0 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 310420-00:
(8*3)+(7*1)+(6*0)+(5*4)+(4*2)+(3*0)+(2*0)+(1*0)=59
59 % 10 = 9
So 310420-00-9 is a valid CAS Registry Number.