Tobramycin Impurity 23 CAS 74501-86-3

Purity ≥95%In StockPharmacopoeial Impurity Standards
CAS No.74501-86-3
Molecular FormulaC18H35N5O8
Molecular Weight449.50 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Tobramycin Impurity 23 CAS 74501-86-3 chemical structure

Description

Tobramycin Impurity 23 (CAS 74501-86-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H35N5O8. Molecular weight: 449.50 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC18H35N5O8
Molecular Weight449.50 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity≥95%
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1978
Nitrogen Atoms5

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