16005-65-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16005-65-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,0,0 and 5 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 16005-65:
(7*1)+(6*6)+(5*0)+(4*0)+(3*5)+(2*6)+(1*5)=75
75 % 10 = 5
So 16005-65-5 is a valid CAS Registry Number.