42310-50-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42310-50-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,3,1 and 0 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 42310-50:
(7*4)+(6*2)+(5*3)+(4*1)+(3*0)+(2*5)+(1*0)=69
69 % 10 = 9
So 42310-50-9 is a valid CAS Registry Number.