2-(4-(4-Nitro-2-sulfostyryl)-3-sulfophenyl)-2H-naphtho[1,2-d][1,2,3]triazole-5-sulfonic acid CAS 131-43-1

Purity 97%+In StockPharmaceutical Standards
CAS No.131-43-1
Molecular FormulaC24H16N4O11S3
Molecular Weight632.60 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(4-(4-Nitro-2-sulfostyryl)-3-sulfophenyl)-2H-naphtho[1,2-d][1,2,3]triazole-5-sulfonic acid CAS 131-43-1 chemical structure

Description

2-(4-(4-Nitro-2-sulfostyryl)-3-sulfophenyl)-2H-naphtho[1,2-d][1,2,3]triazole-5-sulfonic acid (CAS 131-43-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C24H16N4O11S3. Molecular weight: 632.60 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC24H16N4O11S3
Molecular Weight632.60 g/mol
Purity97%+
StorageStore in a cool place (≤25°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
Degree of Unsaturation (DBE)19.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms4
Sulfur Atoms3

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