1159977-29-3 3,4-Dicyano-2,5-dihydroxyphenylacetic Acid (2'-Maleimido)-N-ethylamide 3,4-Dicyano-N-[2-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)ethyl]-2,5-dihydroxybenzeneacetamide CAS 1159977-29-3

Purity 97%+In StockPharmaceutical Standards
CAS No.1159977-29-3
Molecular FormulaC16H12N4O5
Molecular Weight340.29 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1159977-29-3 3,4-Dicyano-2,5-dihydroxyphenylacetic Acid (2'-Maleimido)-N-ethylamide 3,4-Dicyano-N-[2-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)ethyl]-2,5-dihydroxybenzeneacetamide CAS 1159977-29-3 chemical structure

Description

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.

CATO supplies 1159977-29-3 3,4-Dicyano-2,5-dihydroxyphenylacetic Acid (2'-Maleimido)-N-ethylamide 3,4-Dicyano-N-[2-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)ethyl]-2,5-dihydroxybenzeneacetamide (CAS 1159977-29-3), a certified reference material (molecular formula C16H12N4O5, MW 340.29 g/mol) for analytical method development and quality control.

Structurally, 1159977-29-3 3,4-Dicyano-2,5-dihydroxyphenylacetic Acid (2'-Maleimido)-N-ethylamide 3,4-Dicyano-N-[2-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)ethyl]-2,5-dihydroxybenzeneacetamide (C16H12N4O5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 340.29 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).

As a certified reference material (CRM), 1159977-29-3 3,4-Dicyano-2,5-dihydroxyphenylacetic Acid (2'-Maleimido)-N-ethylamide 3,4-Dicyano-N-[2-(2,5-dihydro-2,5-dioxo-1H-pyrrol-1-yl)ethyl]-2,5-dihydroxybenzeneacetamide 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 FormulaC16H12N4O5
Molecular Weight340.29 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 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)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1989
Nitrogen Atoms4

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