Bromoacetamido-PEG4-NHS ester CAS 1260139-70-5

Purity 97%+In StockPharmaceutical Standards
CAS No.1260139-70-5
Molecular FormulaC17H27BrN2O9
Molecular Weight483.31 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Bromoacetamido-PEG4-NHS ester CAS 1260139-70-5 chemical structure

Description

CATO supplies Bromoacetamido-PEG4-NHS ester (CAS 1260139-70-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C17H27BrN2O9. Molecular weight: 483.31 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC17H27BrN2O9
Molecular Weight483.31 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor)
Purity97%+
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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Halogen ContentBr-containing
Nitrogen Atoms2

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