957-75-5 KEY8PG1BRC 5-Bromouridine Uridine, 5-bromo- 5-24-06-00337 (Beilstein Handbook Reference) BRN 0033664 5-Bromouracil ribonucleoside EINECS 213-486-6 NSC 38296 1-beta-Ribofuranosyl-5-bromo-uracil Bromouridine UNII-KEY8PG1BRC CAS 957-75-5

Purity 97%+In StockPharmaceutical Standards
CAS No.957-75-5
Molecular FormulaC9H11BrN2O6
Molecular Weight323.10 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

957-75-5 KEY8PG1BRC 5-Bromouridine Uridine, 5-bromo- 5-24-06-00337 (Beilstein Handbook Reference) BRN 0033664 5-Bromouracil ribonucleoside EINECS 213-486-6 NSC 38296 1-beta-Ribofuranosyl-5-bromo-uracil Bromouridine UNII-KEY8PG1BRC CAS 957-75-5 chemical structure

Description

Based on its molecular formula C9H11BrN2O6, 957-75-5 KEY8PG1BRC 5-Bromouridine Uridine, 5-bromo- 5-24-06-00337 (Beilstein Handbook Reference) BRN 0033664 5-Bromouracil ribonucleoside EINECS 213-486-6 NSC 38296 1-beta-Ribofuranosyl-5-bromo-uracil Bromouridine UNII-KEY8PG1BRC contains a nitrogen-containing heterocyclic scaffold, 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 323.10 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

CATO supplies 957-75-5 KEY8PG1BRC 5-Bromouridine Uridine, 5-bromo- 5-24-06-00337 (Beilstein Handbook Reference) BRN 0033664 5-Bromouracil ribonucleoside EINECS 213-486-6 NSC 38296 1-beta-Ribofuranosyl-5-bromo-uracil Bromouridine UNII-KEY8PG1BRC (CAS 957-75-5), a certified reference material (molecular formula C9H11BrN2O6, MW 323.10 g/mol) for analytical method development and quality control.

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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC9H11BrN2O6
Molecular Weight323.10 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
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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Halogen ContentBr-containing
Nitrogen Atoms2

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