73448-19-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73448-19-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,4,4 and 8 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 73448-19:
(7*7)+(6*3)+(5*4)+(4*4)+(3*8)+(2*1)+(1*9)=138
138 % 10 = 8
So 73448-19-8 is a valid CAS Registry Number.