4,4＇-Diaminostilbene-2,2＇-disulfonic Acid CAS 81-11-8

Purity >90%In StockPharmaceutical Standards
CAS No.81-11-8
Molecular FormulaC14H14N2O6S2
Molecular Weight370.40 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4,4＇-Diaminostilbene-2,2＇-disulfonic Acid CAS 81-11-8 chemical structure

Description

High-purity 4,4＇-Diaminostilbene-2,2＇-disulfonic Acid (CAS 81-11-8) pharmaceutical standards reference standard. Molecular formula: C14H14N2O6S2. Molecular weight: 370.40 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

Physical & Chemical Properties

Molecular FormulaC14H14N2O6S2
Molecular Weight370.40 g/mol
Purity>90%
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
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms2
Sulfur Atoms2

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