16304-65-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16304-65-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,3,0 and 4 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 16304-65:
(7*1)+(6*6)+(5*3)+(4*0)+(3*4)+(2*6)+(1*5)=87
87 % 10 = 7
So 16304-65-7 is a valid CAS Registry Number.