Abstract: Thymosin fraction 5 has been widely employed recently in the clinical investigation of this thymic hormone. This material is a hormonally active proteinaceous composition which is involved in the regulation of cell-mediated immunity. The present disclosure provides a solid, stable, endotoxin and pyrogen free thymosin fraction 5 composition suitable for reconstitution for injection.

Abstract: Compounds represented by the formula ##STR1## wherein A is ##STR2## R is hydrogen, substituted or unsubstituted lower alkenyl or alkyl of 1 to 8 carbon atoms in the alkyl chain, phenyl or substituted phenyl, R.sub.1 is phenyl, substituted phenyl or lower alkyl substituted with phenyl, hydrates thereof, andPharmaceutically acceptable basic salts of said compounds or hydrates, useful as antibacterial therapeutic agents in the treatment of infectious diseases caused by Gram-positive and Gram-negative bacteria, particularly Gram-negative bacteria and particularly advantageous because of their stability in aqueous solution are disclosed.

Abstract: High potency compositions of vitamin A acetate and/or vitamin A alcohol stabilized against the formation of crystals by vitamin A palmitate are provided.

Abstract: Stabilization of the copper II complex of 6-methoxy-1-phenazinol 5,10-dioxide, when used in a variety of dosage forms, is achieved by the addition of a 2-20% molar excess of copper ions to the specific dosage form.

Abstract: The preparation of relatively stable injectable solutions from dry powder formulations containing from 1.0 to 2.0 moles of anhydrous sodium carbonate per mole of amoxicillin free acid is disclosed. The solutions are suitable for administration by intravenous and intramuscular injection and intravenous drip.

Abstract: The amount of nitrogen dioxide in tobacco smoke is materially reduced by bringing the smoke into contact with uncombusted tobacco having dispersed therein an effective amount of a composition comprising a pharmaceutically acceptable salt of ascorbic acid or erthorbic acid or mixtures of such salts with their respective acids wherein the molar ratio of acid to salt does not exceed about 3:1.