m-PEG4-O-NHS ester CAS 147912-03-6

Purity 97%+In StockPharmaceutical Standards
CAS No.147912-03-6
Molecular FormulaC14H23NO9
Molecular Weight349.33 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

m-PEG4-O-NHS ester CAS 147912-03-6 chemical structure

Description

m-PEG4-O-NHS ester (CAS 147912-03-6) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C14H23NO9. Molecular weight: 349.33 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC14H23NO9
Molecular Weight349.33 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
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.)1999
Nitrogen Atoms1

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