4-Amino-5-methoxy-2-methylbenzenesulfonic Acid CAS 6471-78-9

Purity >95%In StockPharmaceutical Standards
CAS No.6471-78-9
Molecular FormulaC8H11NO4S
Molecular Weight217.24 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Amino-5-methoxy-2-methylbenzenesulfonic Acid CAS 6471-78-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 217.24 g/mol gives 4-Amino-5-methoxy-2-methylbenzenesulfonic Acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-Amino-5-methoxy-2-methylbenzenesulfonic Acid (CAS 6471-78-9) is a high-purity analytical reference standard with the molecular formula C8H11NO4S and a molecular weight of 217.24 g/mol.

Based on its molecular formula C8H11NO4S, 4-Amino-5-methoxy-2-methylbenzenesulfonic Acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 217.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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-Amino-5-methoxy-2-methylbenzenesulfonic Acid 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 FormulaC8H11NO4S
Molecular Weight217.24 g/mol
Purity>95%
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
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Nitrogen Atoms1
Sulfur Atoms1

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