35340-31-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 35340-31-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,5,3,4 and 0 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 35340-31:
(7*3)+(6*5)+(5*3)+(4*4)+(3*0)+(2*3)+(1*1)=89
89 % 10 = 9
So 35340-31-9 is a valid CAS Registry Number.