|Description||A first generation cephalosporin antibiotic; sparingly soluble in aqueous solution (0.47 mg/ml)|
|Appearance||White or almost white powder|
|Solubility||Water: Freely soluble|
A minor component of the zearalenone complex produced by several species of fusarium; causes estrogenic effects in domestic livestock; a metabolite of α-zearala...
A23187 Ca-Mg, the calcium-Magnesium salt of A23187, has been found to be a Ca2+ ionophore and shows pro-inflammatory and allergic activities.
An early semi-synthetic erythromycin, prepared by reaction of the 9-keto moiety to methyl oxime; shows broad spectrum antibacterial and antiprotozoan activity a...
A secondary degradation product formed by epimerisation of tetracycline and dehydration at the C6 position to aromatise the B ring; an important standard for mo...
Chloramphenicol succinate sodium
The salt prepared from chloramphenicol succinate using the free carboxylic acid of the succinate which ionises and readily forms in weakly sodium hydroxide solu...
A rare semi-synthetic tetracycline prepared by hydrogenolysis of the chloro and benzylic hydroxy moieties of declomycin;acts by reversibly binding to the 30S ri...
A semi-synthetic analogue of avermectin B1b prepared by oxidation of the 4”-hydroxy moiety and reductive amination followed by acetylation; the minor component ...
A semi-synthetic chloramphenicol analogue in which the dichloroacetamide is replaced with dibromoacetamide; possesses weak antibiotic activity
Standard Solution Aflatoxicol
The 2 ppm acetonitrile solution of aflatoxicol, a metabolite of aflatoxin, could be commonly used as standard solution.
A fourth generation cephalosporin antibiotic
A semi-synthetic tetracycline prepared by hydrogenolysis of oxytetracycline to remove the 6-hydroxy group; together with minocycline, is regarded as a ‘third ge...
Spinosyn A aglycone
An acid degradation product produced by hydrolysis of both saccharide groups on spinosyn; only weakly active as an insecticide as the saccharides are considered...
A mixture of eprinomectins B1a and B1b in a 9:1 ratio, produced from a mixture of avermectin B1a and B1b; is used commercially as a topical endectocide (insecti...
An aminoglycoside antibiotic with a similar mechanism to gentamicin
Oxacillin sodium hydrate
A freely soluble (50 mg/ml) narrow spectrum beta-lactam antibiotic of the penicillin class.
Semi-synthetic, slightly more hydrophobic, analogue of lovastatin; a specific inhibitor of HMG-coa reductase
A base-catalysed intermediate in the decomposition of doramectin; formed by epimerisation at the 2-position which ultimately rearranges irreversibly to the isom...
Dihydrostreptomycin is an aminoglycoside antibiotic with a bactericidal property. It is used in the treatment of tuberculosis.
A narrow spectrum beta-lactam antibiotic of the penicillin class
A first generation semi-synthetic erythromycin; prepared by coupling the 11- and 12-OH groups to form a cyclic carbonate; shows comparable or better in vitro po...