N-(6-Amino-2-thioxo-1,2-dihydropyrimidin-4-yl)-3-nitrobenzamide CAS 66646-58-0

Purity 97%+In StockPharmaceutical Standards
CAS No.66646-58-0
Molecular FormulaC11H9N5O3S
Molecular Weight291.29 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-(6-Amino-2-thioxo-1,2-dihydropyrimidin-4-yl)-3-nitrobenzamide CAS 66646-58-0 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including N-(6-Amino-2-thioxo-1,2-dihydropyrimidin-4-yl)-3-nitrobenzamide.

N-(6-Amino-2-thioxo-1,2-dihydropyrimidin-4-yl)-3-nitrobenzamide (CAS 66646-58-0), molecular formula C11H9N5O3S and molecular weight 291.29 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C11H9N5O3S, N-(6-Amino-2-thioxo-1,2-dihydropyrimidin-4-yl)-3-nitrobenzamide contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 291.29 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).

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), N-(6-Amino-2-thioxo-1,2-dihydropyrimidin-4-yl)-3-nitrobenzamide 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 FormulaC11H9N5O3S
Molecular Weight291.29 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1976
Nitrogen Atoms5
Sulfur Atoms1

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