Tobramycine Base USP

Product Name: Tobramycine Base USP

CAS No.: 32986-56-4

CAS NO: 32986-56-4

Molecular Formula: C18H37N5O9

Properties: White or almost white powder, hygroscopic

Usage: As an amino glycoside antibiotic, it has high activity against gram-negative bacilli

Package:

Storage: Keep containers closed and stored in cool and well ventilated places

Product Standard: USP

SPECIFICATION:

ITEMS		STANDARDS
Appearance		White or almost white powder, hygroscopic
Identification		a. Conforms with Reference Standard Rf. (TLC) b. Conforms with Reference Standard Retention time. (HPLC)
pH		9.0~ 11.0
Water		≤7.5 %
Residue on ignition		≤1.0%
Heavy metals		≤0.003%
Organic impurities (TLC)		≤1.0%
Assay (on anhydrous basis)		≥910µg/mg
Bacterial endotoxins		< 2EU/mg
Clarity and Color		Clear, ≤3# yellow or yellow green standard solution
Residual solvent	Ethanol	≤2000ppm
	Benzene	≤2 ppm
Microbial limits	Total Aerobic Microbial Count	≤10³cfu/g
	Total Yeasts and Molds Count	≤10²cfu/g
	Escherichia coli	Absent(1g)