98-37-3 4-Hydroxymetanilic acid 3-Amino-4-hydroxybenzenesulphonic acid 2-Amino-1-phenol-4-sulfonic acid Benzenesulfonic acid, 3-amino-4-hydroxy- Metanilic acid, 4-hydroxy- (8CI) AI3-14898 3-Amino-4-hydroxybenzenesulfonic acid o-Aminophenol-p-sulfonic acid 2-Aminophenol-4-sulfonic acid 2-Amino-4-sulfophenol CCRIS 4584 EINECS 202-662-8 4-Hydroxy-3-aminobenzenesulfonic acid 2-Hydroxy-5-sulfoaniline NSC 1491 EC 202-662-8 CAS 98-37-3

Purity 97%+In StockPharmaceutical Standards
CAS No.98-37-3
Molecular FormulaC6H13NO4S
Molecular Weight195.24 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

98-37-3 4-Hydroxymetanilic acid 3-Amino-4-hydroxybenzenesulphonic acid 2-Amino-1-phenol-4-sulfonic acid Benzenesulfonic acid, 3-amino-4-hydroxy- Metanilic acid, 4-hydroxy- (8CI) AI3-14898 3-Amino-4-hydroxybenzenesulfonic acid o-Aminophenol-p-sulfonic acid 2-Aminophenol-4-sulfonic acid 2-Amino-4-sulfophenol CCRIS 4584 EINECS 202-662-8 4-Hydroxy-3-aminobenzenesulfonic acid 2-Hydroxy-5-sulfoaniline NSC 1491 EC 202-662-8 CAS 98-37-3 chemical structure

Description

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 supplies 98-37-3 4-Hydroxymetanilic acid 3-Amino-4-hydroxybenzenesulphonic acid 2-Amino-1-phenol-4-sulfonic acid Benzenesulfonic acid, 3-amino-4-hydroxy- Metanilic acid, 4-hydroxy- (8CI) AI3-14898 3-Amino-4-hydroxybenzenesulfonic acid o-Aminophenol-p-sulfonic acid 2-Aminophenol-4-sulfonic acid 2-Amino-4-sulfophenol CCRIS 4584 EINECS 202-662-8 4-Hydroxy-3-aminobenzenesulfonic acid 2-Hydroxy-5-sulfoaniline NSC 1491 EC 202-662-8 (CAS 98-37-3), a certified reference material (molecular formula C6H13NO4S, MW 195.24 g/mol) for analytical method development and quality control.

Structurally, 98-37-3 4-Hydroxymetanilic acid 3-Amino-4-hydroxybenzenesulphonic acid 2-Amino-1-phenol-4-sulfonic acid Benzenesulfonic acid, 3-amino-4-hydroxy- Metanilic acid, 4-hydroxy- (8CI) AI3-14898 3-Amino-4-hydroxybenzenesulfonic acid o-Aminophenol-p-sulfonic acid 2-Aminophenol-4-sulfonic acid 2-Amino-4-sulfophenol CCRIS 4584 EINECS 202-662-8 4-Hydroxy-3-aminobenzenesulfonic acid 2-Hydroxy-5-sulfoaniline NSC 1491 EC 202-662-8 (C6H13NO4S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 195.24 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

As a certified reference material (CRM), 98-37-3 4-Hydroxymetanilic acid 3-Amino-4-hydroxybenzenesulphonic acid 2-Amino-1-phenol-4-sulfonic acid Benzenesulfonic acid, 3-amino-4-hydroxy- Metanilic acid, 4-hydroxy- (8CI) AI3-14898 3-Amino-4-hydroxybenzenesulfonic acid o-Aminophenol-p-sulfonic acid 2-Aminophenol-4-sulfonic acid 2-Amino-4-sulfophenol CCRIS 4584 EINECS 202-662-8 4-Hydroxy-3-aminobenzenesulfonic acid 2-Hydroxy-5-sulfoaniline NSC 1491 EC 202-662-8 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 FormulaC6H13NO4S
Molecular Weight195.24 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityLight-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)1.0
CAS Registry Year (est.)1957
Nitrogen Atoms1
Sulfur Atoms1

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