73339-76-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73339-76-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,3,3 and 9 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 73339-76:
(7*7)+(6*3)+(5*3)+(4*3)+(3*9)+(2*7)+(1*6)=141
141 % 10 = 1
So 73339-76-1 is a valid CAS Registry Number.