3’,5’-Bis-O-(tert-butyldimethylsilyl)-5-bromo-2’-deoxyuridine CAS 154925-95-8

Purity 97%+In StockPharmaceutical Standards
CAS No.154925-95-8
Molecular FormulaC21H39BrN2O5Si2
Molecular Weight535.62 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3’,5’-Bis-O-(tert-butyldimethylsilyl)-5-bromo-2’-deoxyuridine CAS 154925-95-8 chemical structure

Description

The occurrence of 3’,5’-Bis-O-(tert-butyldimethylsilyl)-5-bromo-2’-deoxyuridine is closely related to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

3’,5’-Bis-O-(tert-butyldimethylsilyl)-5-bromo-2’-deoxyuridine (CAS 154925-95-8) is a high-purity analytical reference standard with the molecular formula C21H39BrN2O5Si2 and a molecular weight of 535.62 g/mol.

3’,5’-Bis-O-(tert-butyldimethylsilyl)-5-bromo-2’-deoxyuridine (C21H39BrN2O5Si2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

CATO manufactures 3’,5’-Bis-O-(tert-butyldimethylsilyl)-5-bromo-2’-deoxyuridine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC21H39BrN2O5Si2
Molecular Weight535.62 g/mol
AppearanceWhite to pale yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)2001
Halogen ContentBr-containing
Nitrogen Atoms2

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