31272-93-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31272-93-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,2,7 and 2 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 31272-93:
(7*3)+(6*1)+(5*2)+(4*7)+(3*2)+(2*9)+(1*3)=92
92 % 10 = 2
So 31272-93-2 is a valid CAS Registry Number.