75547-73-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75547-73-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,5,4 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 75547-73:
(7*7)+(6*5)+(5*5)+(4*4)+(3*7)+(2*7)+(1*3)=158
158 % 10 = 8
So 75547-73-8 is a valid CAS Registry Number.