16503-75-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16503-75-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,5,0 and 3 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 16503-75:
(7*1)+(6*6)+(5*5)+(4*0)+(3*3)+(2*7)+(1*5)=96
96 % 10 = 6
So 16503-75-6 is a valid CAS Registry Number.