55312-93-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55312-93-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,3,1 and 2 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 55312-93:
(7*5)+(6*5)+(5*3)+(4*1)+(3*2)+(2*9)+(1*3)=111
111 % 10 = 1
So 55312-93-1 is a valid CAS Registry Number.