73217-50-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73217-50-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,2,1 and 7 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 73217-50:
(7*7)+(6*3)+(5*2)+(4*1)+(3*7)+(2*5)+(1*0)=112
112 % 10 = 2
So 73217-50-2 is a valid CAS Registry Number.