31383-92-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31383-92-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,3,8 and 3 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 31383-92:
(7*3)+(6*1)+(5*3)+(4*8)+(3*3)+(2*9)+(1*2)=103
103 % 10 = 3
So 31383-92-3 is a valid CAS Registry Number.