121370-43-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 121370-43-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,3,7 and 0 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 121370-43:
(8*1)+(7*2)+(6*1)+(5*3)+(4*7)+(3*0)+(2*4)+(1*3)=82
82 % 10 = 2
So 121370-43-2 is a valid CAS Registry Number.
121370-43-2Relevant articles and documents
INHIBITION OF BETA LACTAMASE WITH 6 BETA-(SUBSTITUTED METHYL)-PENICILLINIC ACID DERIVATIVES
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, (2008/06/13)
Compounds of the formula I wherein R' is a free or esterified carboxy group or a carboxylate anion and R2 is an organic group have beta-lactamase inhibition activity. A process for the preparation of the same and pharmaceutical compositions containing the
