73712-51-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73712-51-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,7,1 and 2 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 73712-51:
(7*7)+(6*3)+(5*7)+(4*1)+(3*2)+(2*5)+(1*1)=123
123 % 10 = 3
So 73712-51-3 is a valid CAS Registry Number.