1172998-53-6 Usage
Uses
Cefazolin Lactone is an impurity of the antibiotic Cefazolin (C242500).
Check Digit Verification of cas no
The CAS Registry Mumber 1172998-53-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,2,9,9 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1172998-53:
(9*1)+(8*1)+(7*7)+(6*2)+(5*9)+(4*9)+(3*8)+(2*5)+(1*3)=196
196 % 10 = 6
So 1172998-53-6 is a valid CAS Registry Number.