17303-53-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17303-53-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,3,0 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 17303-53:
(7*1)+(6*7)+(5*3)+(4*0)+(3*3)+(2*5)+(1*3)=86
86 % 10 = 6
So 17303-53-6 is a valid CAS Registry Number.