31350-07-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31350-07-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,3,5 and 0 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 31350-07:
(7*3)+(6*1)+(5*3)+(4*5)+(3*0)+(2*0)+(1*7)=69
69 % 10 = 9
So 31350-07-9 is a valid CAS Registry Number.