54352-31-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54352-31-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,3,5 and 2 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 54352-31:
(7*5)+(6*4)+(5*3)+(4*5)+(3*2)+(2*3)+(1*1)=107
107 % 10 = 7
So 54352-31-7 is a valid CAS Registry Number.