4-Amino-3-nitrobenzenesulfonic acid CAS 616-84-2

Purity 97%+In StockPharmaceutical Standards
CAS No.616-84-2
Molecular FormulaC6H6N2O5S
Molecular Weight218.19 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Amino-3-nitrobenzenesulfonic acid CAS 616-84-2 chemical structure

Description

4-Amino-3-nitrobenzenesulfonic acid (CAS 616-84-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H6N2O5S. Molecular weight: 218.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC6H6N2O5S
Molecular Weight218.19 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms2
Sulfur Atoms1

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