4-Methoxyphthalic acid CAS 1885-13-8

Purity 97%+In StockPharmaceutical Standards
CAS No.1885-13-8
Molecular FormulaC9H8O5
Molecular Weight196.16 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Methoxyphthalic acid CAS 1885-13-8 chemical structure

Description

CATO supplies 4-Methoxyphthalic acid (CAS 1885-13-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C9H8O5. Molecular weight: 196.16 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC9H8O5
Molecular Weight196.16 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957

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