5,5'-(1,3,5,7-Tetraoxopyrrolo[3,4-f]isoindole-2,6(1H,3H,5H,7H)-diyl)diisophthalic acid CAS 304689-02-9

Purity 97%+In StockPharmaceutical Standards
CAS No.304689-02-9
Molecular FormulaC26H12N2O12
Molecular Weight544.38 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5,5'-(1,3,5,7-Tetraoxopyrrolo[3,4-f]isoindole-2,6(1H,3H,5H,7H)-diyl)diisophthalic acid CAS 304689-02-9 chemical structure

Description

5,5'-(1,3,5,7-Tetraoxopyrrolo[3,4-f]isoindole-2,6(1H,3H,5H,7H)-diyl)diisophthalic acid (CAS 304689-02-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C26H12N2O12. Molecular weight: 544.38 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC26H12N2O12
Molecular Weight544.38 g/mol
AppearancePale yellow to yellow crystalline powder
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)22.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms2

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