Ceftiofur Sodium
C19H16N5NaO7S3
545.54
C19H16N5NaO7S3·H2O 563.55
C19H16N5NaO7S3·3H2O 599.59
5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[(2-amino-4-thiazolyl)(methoxyimino)acetyl]amino]-3-[[(2-furanylcarbonyl)thio]methyl]-8-oxo-, monosodium salt, [6R-[6α,7β(Z)]]-;
Sodium (6R,7R)-7-[2-(2-amino-4-thiazolyl)glyoxylamido]-3-(mercaptomethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate, 72-(Z)-(O-methyloxime), 2-furoate (ester) [104010-37-9]
C19H16N5NaO7S3·H2O 563.55
C19H16N5NaO7S3·3H2O 599.59
5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[(2-amino-4-thiazolyl)(methoxyimino)acetyl]amino]-3-[[(2-furanylcarbonyl)thio]methyl]-8-oxo-, monosodium salt, [6R-[6α,7β(Z)]]-;
Sodium (6R,7R)-7-[2-(2-amino-4-thiazolyl)glyoxylamido]-3-(mercaptomethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate, 72-(Z)-(O-methyloxime), 2-furoate (ester) [104010-37-9]
DEFINITION
Ceftiofur Sodium is the sodium salt of ceftiofur. It is anhydrous or contains one or three molecules of water of hydration. It has a potency equivalent to NLT 862 µg/mg and NMT 970 µg/mg of ceftiofur (C19H17N5O7S3), calculated on the anhydrous and solvent-free basis.
USP REFERENCE STANDARDS FOR PURCHASE
USP Cefotaxime Sodium RSUSP Ceftiofur System Suitability Mixture RS
USP Ceftiofur Sodium Trihydrate RS
USP Endotoxin RS