4-(3-(2-Chloro-4-nitrobenzyl)ureido)benzene-1-sulfonyl fluoride CAS 21322-84-9

Purity 97%+In StockPharmaceutical Standards
CAS No.21322-84-9
Molecular FormulaC14H11ClFN3O5S
Molecular Weight387.77 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(3-(2-Chloro-4-nitrobenzyl)ureido)benzene-1-sulfonyl fluoride CAS 21322-84-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 387.77 g/mol gives 4-(3-(2-Chloro-4-nitrobenzyl)ureido)benzene-1-sulfonyl fluoride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-(3-(2-Chloro-4-nitrobenzyl)ureido)benzene-1-sulfonyl fluoride (CAS 21322-84-9), molecular formula C14H11ClFN3O5S and molecular weight 387.77 g/mol, is a CATO reference standard with documented purity and traceability.

The molecular framework of 4-(3-(2-Chloro-4-nitrobenzyl)ureido)benzene-1-sulfonyl fluoride (C14H11ClFN3O5S) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.

As a certified reference material (CRM), 4-(3-(2-Chloro-4-nitrobenzyl)ureido)benzene-1-sulfonyl fluoride 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 FormulaC14H11ClFN3O5S
Molecular Weight387.77 g/mol
Purity97%+
StorageStore at 2-8°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)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963
Halogen ContentF/Cl-containing
Nitrogen Atoms3
Sulfur Atoms1

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