Alkyne-PEG4-maleimide CAS 1609651-90-2

Purity 97%+In StockPharmaceutical Standards
CAS No.1609651-90-2
Molecular FormulaC18H26N2O7
Molecular Weight382.41 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Alkyne-PEG4-maleimide CAS 1609651-90-2 chemical structure

Description

Alkyne-PEG4-maleimide (CAS 1609651-90-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H26N2O7. Molecular weight: 382.41 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC18H26N2O7
Molecular Weight382.41 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 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1993
Nitrogen Atoms2

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