NHS-PEG4-(m-PEG4)3-ester CAS 1333154-70-3

Purity 97%+In StockPharmaceutical Standards
CAS No.1333154-70-3
Molecular FormulaC60H110N6O28
Molecular Weight1363.54 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

NHS-PEG4-(m-PEG4)3-ester CAS 1333154-70-3 chemical structure

Description

CATO supplies NHS-PEG4-(m-PEG4)3-ester (CAS 1333154-70-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C60H110N6O28. Molecular weight: 1363.54 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC60H110N6O28
Molecular Weight1363.54 g/mol
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
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1991
Nitrogen Atoms6

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