2-{2-[4-(dimethylamino)phenyl]diazen-1-yl}benzoic acid hydrochloride 4- paragraph signthorn(1/4)x degrees +/->>uA(1/4)micro feminine+/-(1/2)-2 inverted exclamation marka-oEEa NIEaNI 4-Dimethylaminoazobenzene-2'-carboxylic acid hydrochloride 63451-28-5 Acid Red 2 EaEthO masculinei 2 methyl red hydrochloride CAS 63451-28-5

Purity 97%+In StockPharmaceutical Standards
CAS No.63451-28-5
Molecular FormulaC15H27N3O2
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-{2-[4-(dimethylamino)phenyl]diazen-1-yl}benzoic acid hydrochloride
4- paragraph signthorn(1/4)x degrees +/->>uA(1/4)micro feminine+/-(1/2)-2 inverted exclamation marka-oEEa NIEaNI
4-Dimethylaminoazobenzene-2'-carboxylic acid hydrochloride
63451-28-5
Acid Red 2
EaEthO masculinei 2
methyl red hydrochloride CAS 63451-28-5 chemical structure

Description

The occurrence of 2-{2-[4-(dimethylamino)phenyl]diazen-1-yl}benzoic acid hydrochloride 4- paragraph signthorn(1/4)x degrees +/->>uA(1/4)micro feminine+/-(1/2)-2 inverted exclamation marka-oEEa NIEaNI 4-Dimethylaminoazobenzene-2'-carboxylic acid hydrochloride 63451-28-5 Acid Red 2 EaEthO masculinei 2 methyl red hydrochloride is closely related to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 2-{2-[4-(dimethylamino)phenyl]diazen-1-yl}benzoic acid hydrochloride 4- paragraph signthorn(1/4)x degrees +/->>uA(1/4)micro feminine+/-(1/2)-2 inverted exclamation marka-oEEa NIEaNI 4-Dimethylaminoazobenzene-2'-carboxylic acid hydrochloride 63451-28-5 Acid Red 2 EaEthO masculinei 2 methyl red hydrochloride (CAS 63451-28-5), a certified reference material (molecular formula C15H27N3O2HCl, MW 317.86 g/mol) for analytical method development and quality control.

The molecular framework of 2-{2-[4-(dimethylamino)phenyl]diazen-1-yl}benzoic acid hydrochloride 4- paragraph signthorn(1/4)x degrees +/->>uA(1/4)micro feminine+/-(1/2)-2 inverted exclamation marka-oEEa NIEaNI 4-Dimethylaminoazobenzene-2'-carboxylic acid hydrochloride 63451-28-5 Acid Red 2 EaEthO masculinei 2 methyl red hydrochloride (C15H27N3O2HCl) is characterized by an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, 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. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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.

CATO manufactures 2-{2-[4-(dimethylamino)phenyl]diazen-1-yl}benzoic acid hydrochloride 4- paragraph signthorn(1/4)x degrees +/->>uA(1/4)micro feminine+/-(1/2)-2 inverted exclamation marka-oEEa NIEaNI 4-Dimethylaminoazobenzene-2'-carboxylic acid hydrochloride 63451-28-5 Acid Red 2 EaEthO masculinei 2 methyl red hydrochloride 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 FormulaC15H27N3O2 HCl
Molecular Weight317.86 g/mol
AppearanceWhite to pale yellow crystalline powder. (slight halide-like odor)
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)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1975
Halogen ContentCl-containing
Nitrogen Atoms3

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