2,6-Diamino-5-bromo-5,6-dihydropyrimidin-4(1H)-one CAS 89721-64-2

Purity 97%+In StockPharmaceutical Standards
CAS No.89721-64-2
Molecular FormulaC4H7BrN4O
Molecular Weight207.03 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,6-Diamino-5-bromo-5,6-dihydropyrimidin-4(1H)-one CAS 89721-64-2 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 207.03 g/mol gives 2,6-Diamino-5-bromo-5,6-dihydropyrimidin-4(1H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2,6-Diamino-5-bromo-5,6-dihydropyrimidin-4(1H)-one (CAS 89721-64-2), molecular formula C4H7BrN4O and molecular weight 207.03 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C4H7BrN4O, 2,6-Diamino-5-bromo-5,6-dihydropyrimidin-4(1H)-one contains an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 207.03 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.

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), 2,6-Diamino-5-bromo-5,6-dihydropyrimidin-4(1H)-one 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 FormulaC4H7BrN4O
Molecular Weight207.03 g/mol
AppearanceWhite to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1982
Halogen ContentBr-containing
Nitrogen Atoms4

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