30073-65-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30073-65-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,0,7 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 30073-65:
(7*3)+(6*0)+(5*0)+(4*7)+(3*3)+(2*6)+(1*5)=75
75 % 10 = 5
So 30073-65-5 is a valid CAS Registry Number.