Bis-propargyl-PEG8 CAS 1092554-87-4

Purity 97%+In StockPharmaceutical Standards
CAS No.1092554-87-4
Molecular FormulaC22H38O9
Molecular Weight446.53 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Bis-propargyl-PEG8 CAS 1092554-87-4 chemical structure

Description

As a certified reference material (CRM), Bis-propargyl-PEG8 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Bis-propargyl-PEG8 (CAS 1092554-87-4) is a high-purity analytical reference standard with the molecular formula C22H38O9 and a molecular weight of 446.53 g/mol.

Structurally, Bis-propargyl-PEG8 (C22H38O9) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 446.53 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

Physical & Chemical Properties

Molecular FormulaC22H38O9
Molecular Weight446.53 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at room temperature, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989

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