Bis-​PEG2-​NHS ester CAS 65869-63-8

Purity 97%+In StockPharmaceutical Standards
CAS No.65869-63-8
Molecular FormulaC16H20N2O10
Molecular Weight400.34 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Bis-​PEG2-​NHS ester CAS 65869-63-8 chemical structure

Description

Bis-​PEG2-​NHS ester (CAS 65869-63-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C16H20N2O10. Molecular weight: 400.34 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC16H20N2O10
Molecular Weight400.34 g/mol
AppearancePale yellow to 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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1975
Nitrogen Atoms2

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