Boc-NH-PEG4-NHS ester CAS 859230-20-9

Purity 97%+In StockPharmaceutical Standards
CAS No.859230-20-9
Molecular FormulaC20H34N2O10
Molecular Weight462.49 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Boc-NH-PEG4-NHS ester CAS 859230-20-9 chemical structure

Description

Boc-NH-PEG4-NHS ester (CAS 859230-20-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H34N2O10. Molecular weight: 462.49 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC20H34N2O10
Molecular Weight462.49 g/mol
AppearanceOff-white to pale yellow crystalline powder
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)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms2

Recommended Standards

Why CATO?