2-Methyl-4,9-dioxo-4H,9H-naphtho[2,3-b]furan-3-carboxylic acid CAS 4655-54-3

Purity 97%+In StockPharmaceutical Standards
CAS No.4655-54-3
Molecular FormulaC14H8O5
Molecular Weight256.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Methyl-4,9-dioxo-4H,9H-naphtho[2,3-b]furan-3-carboxylic acid CAS 4655-54-3 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 256.21 g/mol gives 2-Methyl-4,9-dioxo-4H,9H-naphtho[2,3-b]furan-3-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-Methyl-4,9-dioxo-4H,9H-naphtho[2,3-b]furan-3-carboxylic acid (CAS 4655-54-3) is a high-purity analytical reference standard with the molecular formula C14H8O5 and a molecular weight of 256.21 g/mol.

Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system, 2-Methyl-4,9-dioxo-4H,9H-naphtho[2,3-b]furan-3-carboxylic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 256.21 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

CATO manufactures 2-Methyl-4,9-dioxo-4H,9H-naphtho[2,3-b]furan-3-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC14H8O5
Molecular Weight256.21 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958

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