N-(4-chloro-5-nitro-6-oxo-1,6-dihydropyrimidin-2-yl)acetamide CAS 51471-45-5

Purity 97%+In StockPharmaceutical Standards
CAS No.51471-45-5
Molecular FormulaC6H5ClN4O4
Molecular Weight232.58 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-(4-chloro-5-nitro-6-oxo-1,6-dihydropyrimidin-2-yl)acetamide CAS 51471-45-5 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.

N-(4-chloro-5-nitro-6-oxo-1,6-dihydropyrimidin-2-yl)acetamide (CAS 51471-45-5), molecular formula C6H5ClN4O4 and molecular weight 232.58 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C6H5ClN4O4, N-(4-chloro-5-nitro-6-oxo-1,6-dihydropyrimidin-2-yl)acetamide contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 232.58 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

As a certified reference material (CRM), N-(4-chloro-5-nitro-6-oxo-1,6-dihydropyrimidin-2-yl)acetamide 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 FormulaC6H5ClN4O4
Molecular Weight232.58 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1971
Halogen ContentCl-containing
Nitrogen Atoms4

Related N Standards

Recommended Standards

Why CATO?