3,6-Difluorophthalic anhydride 4,7-DIFLUORO-1,3-ISOBENZOFURANDIONE 4,7-DIFLUOROISOBENZOFURAN-1,3-DIONE 652-40-4 AS02020 CAS 652-40-4

Purity 97%+In StockPharmaceutical Standards
CAS No.652-40-4
Molecular FormulaC8H8F2O3
Molecular Weight190.14 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3,6-Difluorophthalic anhydride 4,7-DIFLUORO-1,3-ISOBENZOFURANDIONE 4,7-DIFLUOROISOBENZOFURAN-1,3-DIONE 652-40-4 AS02020 CAS 652-40-4 chemical structure

Description

CATO supplies 3,6-Difluorophthalic anhydride 4,7-DIFLUORO-1,3-ISOBENZOFURANDIONE 4,7-DIFLUOROISOBENZOFURAN-1,3-DIONE 652-40-4 AS02020 (CAS 652-40-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H8F2O3. Molecular weight: 190.14 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC8H8F2O3
Molecular Weight190.14 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Halogen ContentF-containing

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