7312-39-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7312-39-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,3,1 and 2 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 7312-39:
(6*7)+(5*3)+(4*1)+(3*2)+(2*3)+(1*9)=82
82 % 10 = 2
So 7312-39-2 is a valid CAS Registry Number.