73679-53-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73679-53-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,6,7 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 73679-53:
(7*7)+(6*3)+(5*6)+(4*7)+(3*9)+(2*5)+(1*3)=165
165 % 10 = 5
So 73679-53-5 is a valid CAS Registry Number.