Phthalide CAS 27355-22-2

Purity >95%In StockPharmaceutical Standards
CAS No.27355-22-2
Molecular FormulaC8H2Cl4O2
Molecular Weight271.91 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Phthalide CAS 27355-22-2 chemical structure

Description

CATO supplies Phthalide (CAS 27355-22-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H2Cl4O2. Molecular weight: 271.91 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC8H2Cl4O2
Molecular Weight271.91 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, low volatility)
Purity>95%
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1964
Halogen ContentCl-containing

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