4-Benzyl 2-ethyl 3-ethyl-2-methyl-2H-pyrrole-2,4-dicarboxylate CAS 4949-46-6

Purity 97%+In StockPharmaceutical Standards
CAS No.4949-46-6
Molecular FormulaC18H21NO4
Molecular Weight315.36 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Benzyl 2-ethyl 3-ethyl-2-methyl-2H-pyrrole-2,4-dicarboxylate CAS 4949-46-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 315.36 g/mol gives 4-Benzyl 2-ethyl 3-ethyl-2-methyl-2H-pyrrole-2,4-dicarboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-Benzyl 2-ethyl 3-ethyl-2-methyl-2H-pyrrole-2,4-dicarboxylate (CAS 4949-46-6), molecular formula C18H21NO4 and molecular weight 315.36 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, 4-Benzyl 2-ethyl 3-ethyl-2-methyl-2H-pyrrole-2,4-dicarboxylate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 315.36 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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.

As a certified reference material (CRM), 4-Benzyl 2-ethyl 3-ethyl-2-methyl-2H-pyrrole-2,4-dicarboxylate 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.

Physical & Chemical Properties

Molecular FormulaC18H21NO4
Molecular Weight315.36 g/mol
AppearancePale yellow to 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
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Nitrogen Atoms1

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