1-(tert-Butyl)-1H-pyrrole-2,5-dione 1-(1,1-Dimethylethyl)-1H-pyrrole-2,5-dione N-tert-Butylmaleimide 4144-22-3 CAS 4144-22-3

Purity 97%+In StockPharmaceutical Standards
CAS No.4144-22-3
Molecular FormulaC8H11NO2
Molecular Weight153.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(tert-Butyl)-1H-pyrrole-2,5-dione 1-(1,1-Dimethylethyl)-1H-pyrrole-2,5-dione N-tert-Butylmaleimide 4144-22-3 CAS 4144-22-3 chemical structure

Description

1-(tert-Butyl)-1H-pyrrole-2,5-dione 1-(1,1-Dimethylethyl)-1H-pyrrole-2,5-dione N-tert-Butylmaleimide 4144-22-3 (CAS 4144-22-3) is a high-purity analytical reference standard with the molecular formula C8H11NO2 and a molecular weight of 153.18 g/mol.

Based on its molecular formula C8H11NO2, 1-(tert-Butyl)-1H-pyrrole-2,5-dione 1-(1,1-Dimethylethyl)-1H-pyrrole-2,5-dione N-tert-Butylmaleimide 4144-22-3 contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 153.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

CATO manufactures 1-(tert-Butyl)-1H-pyrrole-2,5-dione 1-(1,1-Dimethylethyl)-1H-pyrrole-2,5-dione N-tert-Butylmaleimide 4144-22-3 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC8H11NO2
Molecular Weight153.18 g/mol
AppearanceOff-white to pale yellow crystalline powder. (faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light
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)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Nitrogen Atoms1

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